The heuristics I apply go well beyond the ones given in that post. In this case I have taken on board the fact that so many references are just to his own earlier work, and that work is old enough that it should have made a bigger splash. That's a clear indication that this is not likely to be correct, so I'm looking for mistakes, I'm not looking for deep ideas.

And I'm not finding deep ideas. I spent 10 minutes getting a feel for the approach, and I'll come back when I have another 10 or 15 minutes to spare, but it's really, really not looking good.