Feel like “reputable” is loaded here lol
I’ve had it happen before in searches where I’ll see something and can’t find it on google, but can easily find it on DuckDuckGo.
Idk here’s something for you: https://www.breitbart.com/tech/2018/10/09/the-good-censor-le...
There are leaked slides showing the intent to censor. Not sure if this is “reputable” enough, but there is something.