If you want to debate the merits of inferring accomplishment from a person's job, that's fine. To call that my main argument, and countering it with your sample size of three, is trolling.
Here is the point: if all you know about someone is that they run a cash register, that doesn't tell you that they are unable to do anything else. This argument does not rely on sample sizes.
No, here's the point: if you run a cash register, don't scoff at someone who aims higher than what you've achieved, and don't throw your genius status in their face when you do it.
If you want to argue that a person's job is not indicative of ther level of achievement in life, then you absolutely do have to argue inductively. But I personally do not care about that argument. It is a stupid premise, and gnosis is picking an argument when one is not being forwarded. And he is doing it in a completely fallacious manner (overgeneralization, tu quoque), against what I clearly stated was an anecdote and life lesson.
Who does that? A person's own experiences, related as such, are anecdotes, not arguments.