I think the enemy is self-censorship. In a free society the biggest danger is that you're afraid to the point where you censor yourself.
I've used drugs that I do consider to be dangerous drugs that are...
The whole system of society tells you what to do.
In the transmission of human culture people always attempt to replicate to pass on to the next generation the skills and values of the parents but the attempt always fails because cultural transmission is geared to learning not DNA.