Take the money, write the op. But before sending it off, offer the academic you disagree with most fervently half, and ask her/him to write a counter-opinion. Publish both.
I understand that jononor's post https://news.ycombinator.com/item?id=12971712 was describing the most intellectually honest, rather than most profitable, approach; and in that capacity it's not clear, I think, that your objection is really an objection.