The point of the philosophical zombie is that they don't experience anything, nor do they convince themselves of anything. If they're "experiencing" or "convincing themselves" then they're not philosophical zombies by definition.
We all (presumably, although I might wonder about the author) know that consciousness is a thing, we don't have anything like a rigid definition of it. Perhaps we never will, but this kind of hot air is unlikely to ever get us closer to understanding it.
Tiresome article by someone just being contrary for the sake of having something to say.