I agree with you that some users don't want to have to manually block specific accounts, but I don't agree that the network needs to decide. People already shared around "blocklists" for Twitter, and I understand there were even apps/browser extensions that helped with it. So yeah, you could say "I trust X person to make decisions about which accounts I see", without someone else also having to agree to that same set.

If such a feature was more robustly built into a platform like Twitter then the company themselves would have a lot less pressure in making a universal decision (which guarantees some disagree with)