So the caption would need to be: "When you're on coke and H at your maximum wage chair sitting job and you see Gordon Ramsay walk in with a camera crew"
Some might, but yeah as you said the success rate was pretty darn low. Even in the show when he visits back it's usually gone back to shit as soon as he leaves.
At least in the US series there are basically zero success stories in 6 seasons of the show. Even the best ones end up out of business a few years later.
Running a restaurant is a paradox. It's sort of easy to get into because the turnover is so high, but even if you end up having success it's extremely hard to sustain that over decades.