Don't be silly. Smoking one cigarette is generally not problematic. Smoking thousands will tend to give you lung cancer. Nobody is arguing that people shouldn'

Don't be silly. Smoking one cigarette is generally not problematic. Smoking thousands will tend to give you lung cancer. Nobody is arguing that people shouldn't own stocks. People are arguing that asset concentration taken to extremes is like smoking too many cigs: so enough and you force bad outcomes on society and the economic system.