It's not really false. I neither drink nor do drugs. But practically everyone I know does drink, and practically everyone I know that does drugs is fucked up. I know three people who do drugs whose lives aren't fucked up, and about 10 or so whose lives are. Practically everybody I know drinks, but aside from one guy who got into a car crash drunk driving, and the father of a friend who wasted his paycheck on drinking until he got help, most of them are fine.
Alcohol is a drug, yes, but it is not addictive in the way that cocaine, meth, etc... are. It can be a social addiction, but it is not a chemical addiction. I believe Pot is also not a chemical addiction, but pot smells like rotting shit being burnt in a toaster, so fuck legalizing that shit, though I live in Canada, and it is unfortunately pretty close. I would also argue that with drinking, it is social, so you really only have fun if there are other people also getting drunk. Because of this, people don't drink in the daytime, or even so much on weekdays, at least not to the extent of getting drunk. Marijuana, and other drugs, have no such restriction and so people do it at any time in the day, which could have negative effects on society. Whether it does or not, the reason I think drugs have worse effects then alcohol (as, at least in my experience, it does), is precisely because of the social nature of alcohol and the fact that drugs do not carry with them that necessity. Of course, a lot of that is speculation based on the observation that drugs have a 77% chance of fucking up your life (from my observation), and alcohol has a 3% chance (also based on my observation).