>>48537117>USM having everything means future games should too, gen 8 didn't even add muchThere's going to come a time when having every Pokemon in the game isn't feasible. The jump to the Switch was the best time to cut the Pokedex down, because the longer they waited, the harder it was going to be for people to accept it. They even considered doing it in Gen 7 but pussied out at the last minute.
They were going to have to do it eventually and now was the best time to do it.