I suspect kids just find their way around things.
And then they're on platforms with zero protections because nobody knows they're a teen... end result is worse.
This is a pretty common cycle.
Government steps in to "fix" a "problem" and then:
Solve nothing.
Create problems with their "solutions."
Implore the populous to reelect them to fix all the problems.
Rince. Repeat.
Exactly, this policy is from a government that taxed tobacco products so much that cigarettes are now cheaper than they have ever been in ~15 years because the black market stepped in and have nearly completely taken over the market.