There was a poll on reddit with around 10000 players participating, where more than 70% voted in favor of the dungeon finder.
Referring to
https://us.forums.blizzard.com/en/wo.../2078?page=101
even around 88% of 33,000 players want a dungeon finder in all classic incarnations.
Thats a statistical desaster for the devs and their bad biases.
Fact, and not blind nostalgia, is that the dungeon finder is one of the most popular systems blizzard ever implemented. Contrary to systems like rated pvp, for example.