This logic only follows if we assume censorship is applied to everyone, equally, all the time. Someone saying "hey, look there are a lot of instances of people

This logic only follows if we assume censorship is applied to everyone, equally, all the time. Someone saying "hey, look there are a lot of instances of people being censored over there, we should be concerned about it because it could affect us" cannot be refuted on the basis that the speaker isn't being censored. It's like refuting someone saying that a bunch of people are ill on the basis that the speaker isn't ill themselves. Illness is something that occurs to individuals, not to society. Same with censorship. It isn't some absolute where people are totally censored or totally free to speak their mind. It's distributed unevenly across society. When understood as a distribution rather than something binary, it becomes obvious that instances of free speech about censorship doesn't disprove the existence of censorship, nor does it say anything about whether or not we are becoming a more censorious society.