People, most notably grifters, who claim that a certain decision ruined or will ruin a movie or video game franchise/company while claiming themselves as a longtime fan of said franchise. In reality, they are not actual fans of the franchise and are instead treating this situation as a thing to tell their followers to get mad at. Usually the most inconvenient of things.
They will often forget about the situation in a week, as they are busy chasing the next thing to get angry at. Hence why they are considered tourists because they don't actually represent the fandom and are only there for a day.
Most of these people are found on Twitter and YouTube.
Grifter: "They ruined the franchise by making the main female lead slightly less sexy. This game is doomed. Fucking DEI ruining everything"
Actual fans: Oh great, the Anger tourist has arrived.