@Brendanjones @eco_amandine @NatureMC I think I'm okay with these sort of guidelines because they are an open letter to all. What I don't think is good is someone going out of their way to "tone police" an individual account. Talking about the importance of alt text and content warnings is fine but going after people for not doing them is bad.
A general (yet respectful) discussion of etiquette is not a bad thing. :)