To go back to Undertale.
It's one of the best games I've played in a while.
But yeah the game is overhyped to high heaven.
The reason that happened is because I personally think that its the kind of game that attracts the political complainer crowd.
From what I've seen, they politicize the game and show it as proof of progressiveness as opposed to being a great game that simply has those elements.
For example, Undertale wrote a cute lesbian couple (though I feel it was badly written in certain parts, I'd like more show, not tell) and a fun and memorable trans? character. Fans are making those things much bigger than they are....