I think it's safe to say that, in under-16s, cyberbullying and susceptibility to intentionally addictive social media algorithms are a bit more of a common problem than revolutionary activities. Any would-be Che Guevaras can put in the time arousing the working class in person until such time as they can grow facial hair.
Then we attack the systemic issues, instead of pushing through intentionally vague legislation. Some of the similar legislation being explored by multiple US states is frightening.