Depends on your job and needs.

Sadly, yes. I know several people who found their job on LinkedIn in OPs country for example(sampling warning: because I have close ties to an Austrian company recruiting actively there).

I see the problem similar to the fediverse: for mass attraction you need either mass or a selling point. LinkedIn at least has the numbers...

I'm annoyed by it every time I have to open it but there are too many business ties to just dump for me and I don't have the influence to convince anyone to change communication platforms.

All of that is my profession bubble of course.

The feed/social network bit is useless, but it's (sadly) by far the best job-search tool for my industry (tech).

I always try to use other platforms, but my last 3 jobs have all been found through linkedin. This across various European countries, if that helps as a reference point.

Yeah office jobs in my country are basically all posted there, especially if you want to work for an international company.