I don't have an exact year for my peak, it felt more like a gradual process. Being a terminally online sperg as a teenager got me hanging out with plenty of troons, so I used to go along with their bullshit, to the point where I even thought about the possibility of being trans myself at one point.
I think it was the overall whiny, self centered and disgusting attitude they usually have that started driving me away, especially how hyper sexual most of them are. They can barely talk about anything other than sex, troonslop or wanting to join the 41%, and God forbid you disagree with some "we should use taxpayer money to groom minors into becoming troons!" opinion, or you'll be crucified for it.
Their whole lifestyle usually consists of the most unhealthy shit imaginable, like poor hygiene, social isolation (self inflicted 99% of the time), drug abuse, shitty diets, or lack of exercise and sleep, but they'll insist their unhappiness stems from a vaguely described dysphoria that'll be magically fixed if they fuck up their bodies even further with mutilation and horse piss hormones.
I hate how common this shit has become and how it infests discussions, relationships, communities, hobbies, etc. They ruin everything they touch, like if they were Midas with a shitty touch.
I wouldn't even mind them if they stayed in their own corners and didn't bother anyone, but they always have to make sure they take their unwashed, unemployed asses where nobody asked for them.