TikTok “trends” are multiplying and some of them present real risks, in particular for adolescents who reproduce them without measuring the consequences. The recent alert around a gesture popularized by an artist rekindles the debate on the responsibility of platforms and the need for better protection of young people online. This survey makes it possible to measure the public's opinion on the speed of intervention of social networks in the face of dangerous content, and to assess the level of expectations in terms of regulation and prevention.