we do not actually know jester's instance blocklist, unless this information has been recently published.
a bad take on what IP ranges he accepts users from is not nationalism, it is simply a bad take based on a complete and fundamental misunderstanding of how counterintelligence ops work on social media.
intelligence agencies use VPN and proxy services, making his entire strategy for preventing intelligence ops pointless, and he is naive about the west not doing it's own intelligence ops, of course.
but none of this is nationalist on it's own, and i'm not willing to throw that type of accusation around without having evidence.
in the immortal words of Jesus Quintana, "you might fool the fucks in the league office, but you don't