Pathfinder did more damage to the hobby than any other game. There's nothing wrong with a monster campaign, but monsters are monsters. Having a Githyanki in the party is bad enough. Tieflings being so common nobody bats an eye is bad enough. Drow being completely ignored is bad enough. Half-elves and half-orcs being completely uncontroversial is bad enough. Players have gotten so used to these types of creatures as characters that there's an assumption that the narrative setting of the game world shouldn't care either, and it's one of the biggest problems that exists in D&D to me. I don't have a problem with any of these creatures as a player race, as long as they can't stroll into a town without being lynched. They're fucking monsters.
I guess you never played Spelljammer, or Planescape, or Eberron, all of which predated Pathfinder and all of which (okay, maybe not Spelljammer) did a lot more towards helping players question just what made a monster a monster and how monstrous races should be treated. Pathfinder refined a few things, but I can guarantee you there were a lot of 'monster' characters running around 2nd and 3rd edition who didn't have to be worried about being lynched by 'civilized' races whenever they ventured into town. Even the basic Realms settings had places like Skullport buried beneath Waterdeep where monstrous races could mingle with the more standard surface races.
