Canada

high chance of causing long term and devastating effects on youth.

There is a substantial body of evidence proving alcohol is extremely bad for brain development

Surprised to hear someone so confidently asserting that more prohibition is necessary. None of what you suggested really aligns with harm reduction and I would argue that more restrictions on vaping and on alcohol would backfire in terms of black market availability and less regulatory oversight.

I'm unaware of the proof that vaping is as bad or worse than tobacco. My understanding is that the consensus is vaping, while harmful, is significantly less harmful than smoking tobacco. https://www.kcl.ac.uk/news/vaping-substantially-less-harmful-than-smoking-largest-review-of-its-kind-finds

And for the record, typically how it works when you want to make a claim about proof and evidence is that you cite your sources. You can't simply use hyperbolic language, wave your hands and say the magic word "science" and expect people to just believe you.