The summary of the arguments in this thread is:
+ You can take that library with you anywhere any time, since all you need is your Account name, password and an internet connection. You also don't have to reinstall your games after a system change anymore, just copy your Steam folder to another partition and reinstall Steam and all games should be playable without disc-joggling or countless reinstallations (also works with copying the Steam folder to another PC), that Installation/Deinstallation process is also extremely streamlined and doesn't require 100 text boxes anymore but a single click
+ “Free Weekends”, „Guest Passes“ and Betas, where you can just download and play games in their entirety for a weekend or a certain specified period of time and decide if you want to buy them or not afterwards
+ Valves "Steam Deals" periods like the Summer/Winter Sale and other deals, up to 80-90% discounts at times for a short period, which wouldn't work in a "retail" environment:
http://store.steampowered.com/browse/under5
+ "Community-Features" don't only allow stuff like IM or chat misanthropes like you won't enjoy but are actually quite functional in other ways like being able to see what games people are playing and join in or "Invite" people to Online games/lobbies etc. to see if they want to play and eliminate long conversations trying to recite IP addresses and port numbers over voice chat
+ Features like Cloud Saves (to be able to play from different PCs), "Steam Play" between different platforms e.g. PC/Mac so far but Linux is apparently coming:
http://www.engadget.com/2012/04/25/steam-for-linux/ , Achievements (for people who get a hard-on from that), gifting system, being able to play games in all available languages, in-game overlay with browser, also free statistics of best selling/most played games, hardware surveys etc.:
http://store.steampowered.com/hwsurvey
- Not only no reselling/authentication but the actual real possibility of losing one's games for a whole various number of interpretable/hazy reasons detailed here (they should offer more legal certainty, likely won't till they are dragged before a court over it):
https://support.steampowered.com/kb_article.php?ref=5406-WFZC-5519
• Piracy or Hacking
This includes using an unauthorized ("hacked") Steam client to access Steam, attempting to register fake CD Keys or attempting to register a CD Key which has been published on the internet.
• Payment Fraud
Any fraudulent credit card use, credit card chargebacks, or Paypal chargebacks (regardless of when the transaction occurred).
• Redeeming Fraudulent Gifts
Never accept a gift from an unknown user. Any accounts tied to a redeemed gift from a fraudulent source may be suspended.
• Hijacking or Sharing Accounts
Do not use Steam accounts which you did not create.
• Account "Phishing" and Deliberately Deceptive Activity
This includes contacting other users outside of Steam or over the Friends network under a misleading screen name or e-mail address (i.e. "Steam Admin", "VAC Administrator", "You Won Free Game Gift") and requesting password or account information.
• Buying, Selling, or Trading Accounts
Accounts which have been bought, sold or traded will be suspended. This includes any other accounts in your possession at the time of the sale or trade, regardless of whether those accounts were also sold or not.
• Violating Steam's Subscriber Agreement or Rules of Online Conduct
Please see the Steam Subscriber Agreement and Online Code of Conduct if you have any questions about the policies which govern Steam account use and account termination.
Some real-world examples:
http://www.rockpapershotgun.com/2012/02/01/thought-do-we-own-our-steam-games/
http://www.pcgamer.com/forum/showthread.php?t=1965
- If Steam is down for any reason (be it maintenance, overload, hacking or whatnot) so are most of your games, they should at least finally fix their Offline Mode to work 100% of the time. Respectively if said community features like the friends list is down there's literally no considerable way to communicate, invite people and "Matchmake" in certain games like Left4Dead
- Steam doesn't seem to make a difference between $/€ and some other currencies (GoG for instance sells using $ to everyone around the world), it's also a lot more expensive than Retail outside of sales/special price periods (even though that's retarded seeing as every Retailer takes a cut, there's actual material, storage and transport costs and they're
STILL cheaper?), Mail-Ordering outside of the country (like from the UK/US) shouldn't be cheaper than a download, there's also problems with "Uncut"-versions in certain countries (like mine)
- They need to stop making use of 3rd-Party DRM or at least properly denote it:
http://steamdrm.flibitijibibo.com/index.php?page=DRM_Lists/The_Big_DRM_List
- It can be harder to install Mods on certain games (e.g. GTA IV for example) but they're seemingly working on that with the Steam Workshop