Grampy_Bone
Arcane
somebody forgot to tell that to Baldur's Gate, one of the best D&D campaigns in a videogame I can think of.
The level cap was a major flaw. You hit the XP cap long before the endgame. No PnP player would stand for that. Some of the earliest mods removed the cap.
Level caps in general are super gay and major decline.
Most 5E pre-written campaigns end at around lvl 10 too.
All the more reason why 5E sucks.