Earlier quoted context omitted.
Just so you’re aware. That is actually illegal and those teens sending pictures to other teens can (and are) prosecuted.
This might not be universally true soon. The Netherlands proposed changing the law so teens are okay sexting one another as long as there is mutual consent and it's not to make money[0]. However, it has been stalled for a few years now. (I initially thought it was accepted, but now things are forecasted to be 2024). I also suspect that despite it being illegal, very little action is undertaken while the above require…
I think the grand parent comment is talking about leaking those images to other people without permission. That absolutely has to be illegal.