But why do any of these substances get used at all??
THE ANSWER TO THAT QUESTION is the key to the gateway.
There are millions of potheads who never transitioned to hard drugs, and in fact, didn’t become lifelong substance userd.
Your theory sounds logical until you look at reality. The people themselves.
How is a 5year old, old enough to transition from anything, to anything.
You see, your theory needs revamping because it works in the head of the theory holder, but in reality to the person impaìred.
It’s like guns. They are only dangerous in the hands of a human. Gunlaws don’t work.
A 5-YO’s parents are primarily responsible for that 5 YO, aren’t they? So parents began on weed and “graduated” to harder stuff. See?