Order of magnitude in casual conversation typically means 10x. I don't think 2x vs 10x qualifies as pedantic.
Oh I don't disagree at all!
It's a writing error on my end (clear since I qualify the percentage afterwards), so I think focusing on it distracts from the point (which is why I say it's pedantic).
I understand the pet peeve though (-:
(it was the best kind of correct: technically correct)