Young male gamers in South Korea thought it resembled a gesture used to poke fun at the size of men’s penises.
Archived version: https://web.archive.org/web/20250112054130/https://www.bbc.com/news/articles/cx2621gzvkdo
SpinScore: https://spinscore.io/?url=https%3A%2F%2Fwww.bbc.com%2Fnews%2Farticles%2Fcx2621gzvkdo
A bit like Japan.
Their technology might be more advanced than ours, but their society is stuck in the middle age.