https://phys.org/news/2019-01-youtube-pranks-risky-memes-rage.html

But the clarifications "make it clear that challenges like the Tide pod challenge or the Fire challenge, that can cause death and/or have caused death in some instances, have no place on YouTube," the company said in a blog post.

"We've made it clear that our policies prohibiting harmful and dangerous content also extend to pranks with a perceived danger of serious physical injury," said YouTube, which like other social networks is trying to show that it is better tackling problematic content.