The problem is if you give them BM maneuvers for free they go from one of if not the best striker in the game to just totally broken.
Disagree in general, but even more so when considering BG3. If Larian is going to heavily buff spellcasters, multiclass combos, barbarians, and to a lesser-extent rangers, then they might as well buff Fighters too. Not buffing fighters is in fact a nerf to them relative to other classes (except the rogue which seems to also have gotten shafted).
And even if giving all fighters BM maneuvers *would* make them totally broken, well that could be easily tuned. Use d6 superiority dice or calculate Maneuver DC based on Int or fine-tune the maneuvers themselves.
