I personally am trying to thread the needle between my opinions of “This is another protest that isn’t going anywhere.” and “We need to be out there agitating and organizing in moments like these when people are paying attention.”
I don't dress up, but after the first season of the Netflix show I did run around with a coin purse flipping plastic pirate coins at every Geralt I could find. Never failed to make someone's day with that.
During the cold war, the anticommunist ideological framework could transform any data about existing communist societies into hostile evidence. If the Soviets refused to negotiate a point, they were intransigent and belligerent; if they appeared willing to make concessions, this was but a skillful ploy to put us off our guard. By opposing arms limitations, they would have demonstrated their aggressive intent; but when in fact they supported most armament treaties, it was because they were mendacious and manipulative. If the churches in the USSR were empty, this demonstrated that religion was suppressed; but if the churches were full, this meant the people were rejecting the regime's atheistic ideology. If the workers went on strike (as happened on infrequent occasions), this was evidence of their alienation from the collectivist system; if they didn't go on strike, this was because they were intimidated and lacked freedom. A scarcity of consumer goods demonstrated the failure of the economic system; an improvement in consumer supplies meant only that the leaders were attempting to placate a restive population and so maintain a firmer hold over them.
I had a friend like this and introducing them to the right podcast based on their music tastes was the nudge that they needed.