I always loved that expression. Oh, and I agree whole-heartedly. Gateway drug, my left eye! The people who have that self-destructive urge to "move on" will move on anyway. I know plenty of people who stayed right in their comfort zone, so to speak.
<{POST_SNAPBACK}>
Statistically you could say the same thing about booze being a gateway. But practically speaking I'd say it did lead on to other use. But that's because in order to get it you have to speak to dealers. Dealers who are the gateway to other drugs. It also acts as a gateway because it diminishes the perception of the very real and serious danger messages about things like crack and heroin.
Having said that even when it is legal I shan't often take it. If at all. I much prefer booze.