Well, depending on ones opinion, not being able to counterpick comes shockingly close to this ammunition you're talking about.
Coming back to Path of Exile, so far neither the chest-space nor the respecs make me lose interest in playing the game. In Games like these one constantly starts over new characters most of the time, until they find one that suits them most. From that point on, respecing requires you to farm stuff and trade them in for orbs which forces you to contact other people, thus enforcing communication between players, which by itself is a good thing. Diablo 2 had the same thing, by giving you a couple of free respecs, and from that point on you had to farm reagents to make it happen, which took quite some time. Since the choices in the skillboard are much more meaningful and not only make you do more damage, I can understand why GGG would decide against free respecs. Farming the orbs yourself sure takes a shitload of time, but there are plenty of characters out there who either don't need the orbs themselves since they pay for a respec, or who don't need them cause they don't plan on respeccing any time soon anyway. Regarding the whole chest-stuff: Since its F2P, you can simply create a new account and use that stash. Logging onto two accounts shouldn't be a problem then to mule properly, whereas other people pay money to do the same thing, just a little faster. And unless you're gathering rares to sell them 3 at a time with the same mods for better orbs, you don't even need that space, since your chest will most likely be filled with a variety of quality gems, orbs, and a few valuable items you couldn't or didn't want to sell immediately.