you need to be able to experiment
With what? It’s not prima facie bad to have limits or bounds. I’d agree it’s good to be able to be goofy, but there’s plenty of actually-illegal activities teenagers used to “experiment” with (and skate by under the radar) that doesn't feel like a loss if it’s gone.
Absolute case in point, in Germany drinking age is 16, but if you’re drunk and goofy and on social media rest assured you’ll be an outcast for a long while