Originally Posted by
Theodoxus
A problem for whom? WotC? Definitely. Removing stacking bonuses was a huge design goal for 5E. Dumbing them down into Advantage was the only move they really had available that both simplified the math so the game wasn't as crunchy, while simultaneously keeping Bounded Accuracy intact. If your To Hit was ultimately capped at +14 (+5 Mod, +6 PB, +3 magic weapon); ACs are likewise capped at 33, since a nat 20 is going to hit regardless. It doesn't matter how many d20s you get to roll, your best non-critical roll is going to be a 19.