Question about doping

I’m a subscriber to the belief that you are innocent until proven guilty. But I also understand there are plenty of reasons for cynicism and mistrust in this sport. However, my understanding is that, in the past, when cyclists were claiming innocent but actually doping, there were always some rumors circulating around and people whispering within the community. They were just either implicitly accepted as normal or being squashed by powerful individuals. Eventually the truth came out either because the violations were too brazen to ignore or enough people were fed up with it. I’m just wondering in this era, has there been any similar rumors of that sort even remotely? From what I can tell (I only became a fan of cycling in 2021), most people that suspect doping in the current era are just refusing to believe that riders can be this good.