No...HERE's the problem. You don't understand kids.

You think a prohibition is going to stop kids from using drugs? All prohibition does is raise the price a dealer can get for his product. 

Take drugs like cannabis away from kids they will get high on anything they can get their hands on..... solvents, hair spray, cough medicine, gasoline, gravol, anything in the medicine cabinet. 

I would much rather my kid experiment with a little weed than huff a glue bag or drink the questionable home brew buddy made in his closet. 

If you want to protect kids from drug abuse educate them then give them a loving supportive environment to live in and something worthwhile to do with their time. Understand that despite their bravado they are vulnerable and insecure but curious about themselves and the world around them..... including sex and drugs. 

Some kids are going to experiment with whatever they can get their hands on. I would prefer it to be weed rather than glue.