I agree that it can be problematic to see some weird stuff on All, but defederating is a red button that affects everybody in the instance, and I don't like that. I enjoy seeing new stuff, and people can use the "block" button liberally.

However it is true that Lemmy still lacks some fine grained controls for users. I am positive that they will be implemented soon, so meanwhile we are living in this very early transition period where random shit can and will appear on our All page and we need to live with it (or use block a lot)