I don't have a problem with them sanctioning people, I have a problem when it's not done by a judge but a snap decision done by bureaucrats without a public trial/hearing where the individuals get a chance to defend themselves for what they're accused of, especially when it's just for the act of speaking, even if we disagree with what they speak.
Because otherwise the EU is no different than a monarchic or totalitarian dictatorship who has people executed for speaking bad things against it, and there's nothing stopping them from doing the same to you, me and everyone else here for wrong speak against the crown's interests.
[1] https://eur-lex.europa.eu/legal-content/EN/TXT/PDF/?uri=OJ:L...