More like, imagine walking into a cafe and thinking you can dictate what other people are talking about because you don’t like it, instead of just finding a table with conversation you enjoy.

Going up to tables and telling them to talk about something different is about 1000x more annoying than the initial issue, especially when the topic of conversation is clearly labeled on the table and you have the ability to completely mute them. Inexplicably, you seem to have decided bitching at them would be more productive than just curating your feed like everyone else.

No, more like, imagine walking into a cafe for a coffee

The cafe in the analogy describes /c/reddit

finding out that the place is filled with people that do nothing but bitch about another cafe.

Referring to people complaining about Reddit…

So you go into /c/Reddit and are annoyed that people area complaining about Reddit. Just block this community then?