Because you could make a 100%+ more by following some of his leads. Keep it cool. This is what this platform is for.
You are absolutely right. If he makes $600k/year, we need another @haejin so they can both only make $300/year. Then we need four so they each only make $150/year, and so on. I'm totally in favor of that. In the meantime, I reserve the right to make a stink about it.
This platform is young, you know that.
Meanwhile, you could put a hundred bucks on a couple of his tips ;)
I do see a couple of them, for example @ew-and-patterns. No, they're not as big, but not for lack of trying.