Not really being a pedant.

Someone corrected me, and I clarified that whether it's singular or plural is kind of ambiguous which make both correct.

Because like I said, English is stupid. And even native speakers who follow all of its rules can't explain them.

Think about that for a second, we all get over a decade of learning the language, and we're mostly going off gut feeling when we use it. We may know a few rules, but not all the excepttions and rare cases the rule is wrong.

Since someone cared enough to point out the general rule, I explained the rare exception. Because I thought they'd care.