Decriminalize and legalize are not the same thing. The answer to your question is no.
Decriminalization is de facto legalization - if you ain't going to jail for possession, and selling is permitted on a small-time basis, it's legal.
That aside, you're going to stick to your argument that there are no states/provinces or nation-states where marijuana is 'legal'?
Yes, aside from the fact that they do not work the same way
List the meaningful differences for us.
have completely different social and economic histories and are used in different ways by different socio-economic groups.
Circular logic -
Why is marijuana illegal and booze isn't?
Because they're used by a different groups.
Why are they used by different groups?
Because marijuana is illegal and booze isn't.
But other than being completely unlike and unrelated they are similar.
Why are they unalike?
Because marijuana is illegal and booze isn't.
Why is marijuana illegal and booze isn't?
Because they are unalike.
You really have no facts or evidence to support your position, do you?