Yes i mean of course, rarely anything is ever as good as it sounds. Just saying in the literal case of small fee for guaranteed interview Iam in. In the more likely case that you don't really get a chance, e.g. just a 1min call "sorry you don't fit" to tick the box, it's a different matter.

But hey, he said it is supposed to be a thought experiment, no way he would wanna exploit people or anything..:)