And, to answer your original question, the users who have been banned from Twitter by the Judiciary are those supporters of the former right-wing president who point out the irregularities that occurred in the last elections and in the current government. And, no, they're not switching to NOSTR yet.
Discussion
It is something very similar to what happened with former President Trump in the USA, but much more intense and absolutely permeated with abuse of power, with a presiding Supreme Court justice who threatens and punishes not only citizens but also legislators who oppose him.
Interesting, thank you for the explanation. I noticed the topic seemed to disappear quickly.