Why would you expect it to be less offensive? They're accusing school officials, teachers, etc. of exposing children to sexually explicit material at too young

Why would you expect it to be less offensive? They're accusing school officials, teachers, etc. of exposing children to sexually explicit material at too young an age to be ready for it. That's a core component of grooming. Whether they're right or not is another matter - but their intent is to cast these people as abusers.