So why should alcohol be allowed for recreational use? That is the only truly legal high in this country and if reclassified today would more than likely be a class A due to the effect on motor control, aggression, emotion and level of addiction.
Alcohol is extremely addictive, extremely destructive to developing brains and bodies and the issues are far more widely documented than any strain of cannabis which has grown and been consumed by mammals for far longer than we have been creating ethanol.
If you are stupid enough to think that any growing child should be allowed to consume anything that could alter the development of their brain then you should not be allowed children. That includes caffeine, nicotine, cannabis, valium, ecstasy, cocaine, alcohol or heroin and so much more. Also if you don't want them to become fat and depressed, you shouldn't give them a lot of sugar.
If you are a bad parent, and you don't teach these things to your children and teach them why they shouldn't do it while they are young then it will come back to bite you in the ass.
If you also didn't teach your child good manners and the value of hard work, then i wouldn't be surprised if you would be the kind of person who would blame cannabis for your own failings when they hit puberty and become naturally rebellious.
There's a lot of cannabis about and sadly the sale of it is still not regulated in this country and therefore its a lot easier for kids to get hold of. We need to teach our kids about the consumption of intoxicants as a whole and how the effects of using underage, overusing and mixing substances can be extremely tragic.
If you lie to your child and they find out you lied, they will just not trust you about that subject.. not any any more.