Earlier quoted context omitted.
People voluntarily pay him $45K/mo. for his products… Makes you claim of “largely useless products” obviously false.
People voluntarily pay to smoke products that give them cancer which is probably more "actively harmful" than "largely useless". Which is to say that the value proposition is largely subjective so the OP is entirely within their right to wonder why on earth people pay for those things! I think the better takeaway should be that other people have very different problems to you, don't always act rationally about things…
> don't always act rationally about things
And by that you surely mean that they act in the way you do not approve of.