I'd have been gentle if his conclusion had included a measure of humbleness and at least kind of approached being somewhat accurate. :)
So yeah; it's unfortunately bogus science - he's drawing invalid conclusions from a far too small sample.
One of the restrictions is price, which makes little sense in concluding so strongly for a measure involving quality. Not to mention that only a single specimen of a single model of each brand was tested. The top-voted comment in the thread points out some Intel models that don't have supercapacitors in them.
Already the article is updated with a couple of other drives to test. I guess that wasn't "End of discussion" after all...