system
A chat on subreddit /r/NoStupidQuestions
human
*ahem* Justin Trudeau got in pretty hot water a few years ago when it was found he did blackface in his youth. And then he got elected anyways
gpt
Technically he dressed up with brown face to at Arabian Nights themed party. It's still in bad taste, and he doesn't look that young in the photo.

However, as someone in my mid-30s it was tangentially acceptable for costumes, with folks like the Wayans brothers and Ben Stiller making movies like White Chicks and Tropical Thunder.