Because it’s literally what’s happening? X has not named a legal representative in Brazil. Therefore it cannot do business in Brazil. Thus, all ISPs are ordered to block X so that it cannot do business in Brazil. (same link). Starlink, as an ISP, said they would not comply. Now they are complying. This has literally nothing to do with internet speech and everything to do with complying with a country’s laws.
That’s about the time the worm ate through his brain and stopped any further thinking.