Agreed. Also, it depends what you're using them for. I've done some of my best design work while stoned, as it helped increase my creativity. However I needed to drink coffee at the same time to keep myself motivated. Trying to write code while high, on the other hand, is terrible because I can't maintain my train of thought or juggle complex ideas. I keep getting halfway through a function and forgetting why I was writing it.

If your share is the market is decreasing but the overall market size is increasing at a rate faster than your share decreases, then you're not dying, you're flourishing.

By that reasoning, the USA must've won in Vietnam because Vietnamese casualties dwarfed US casualties. Asymmetric warfare isn't about who loses the most troop, it's far more complicated than that.