Yes ofc you don't need to really like the fact that they are in a gay series. Just that hating them just for a role is not the way to go! You do you tho :D
Thats their business for the most part. If you dont like it ofc you dont need to watch it! Your preference matters to you but that may not be the same for others. And its honestly(in my opinion) good that actors are increasing their range in acting and trying out different roles and characters of different kinds. It gives them experience and helps them do better.
The first few of them i accidentally selected the worst ones as the best...MEANING I ACCIDENTALLY CHOSE MY STAND IN OVER SOMETHING ELSE WITHOUT MEANING TO