It will be somewhere in settings-> default app-> opening links

It's a lower barrier to entry. It's much easier to get people/subreddit to join the protest if they know it's limited in time.

Then once they started the protest it's easier to extend it indefinitely.

I think this is in the work.

https://github.com/LemmyNet/lemmy/issues/818

I've seen that this issue had been discussed quite a lot recently.

How does it even know what is installed on your phone ?