People playing around with radioactive stuff, even if they are well-intentioned, can easily mess up and contaminate themselves and others with it. Radioactivity

People playing around with radioactive stuff, even if they are well-intentioned, can easily mess up and contaminate themselves and others with it. Radioactivity is not detectable to any of our senses, only radiation poisoning is. Things are completely different with LSD and other drugs. You could argue that making meth is a dangerous activity in itself, but a properly regulated industry could evaporate any real need to home-brew large amounts.