Nonetheless, people do in fact make that mistake -- such as the niche conformists PG mentions -- so it is worth rebutting, and doing so in an understandable man

Nonetheless, people do in fact make that mistake -- such as the niche conformists PG mentions -- so it is worth rebutting, and doing so in an understandable manner. The fact that you may not have seen a particular mistake, does not mean the mistake is not out there (and personally, based on my own experience, I'd say this one is rather common).