I have used dating apps quite a lot in my past, mostly before u ever started reading dating subs. I feel the exact same way you do, the idea that men i interact with feel so incredibly bitter towards me is off putting. the idea that the men i start to like might just be good at hiding these feelings is terrifying. i have read comments on here that tell me for sure i’d never want to interact with the poster, and it’s scary to think what someone can have posted or thought that you will never know. As to the hiding resentment, if i’ve met someone like that i haven’t found out yet. in general though, i rarely have conversations that make me feel significantly bad. my conversations are mostly either really good, boring, slightly uncomfy, or funny. I also think it’s a good point that people who have great experiences with OLD don’t necessarily seem out places (like reddit) to complain about it.