We English teachers, however, keep our senses of humor, even in the face of the most daunting odds. Here's the grammar rule:
But people are always "fewer" in number. No such thing as "less" people!
Wish I could make up a little rhyme, in a Candid Carrie-ish kinda way. Maybe I'll work on that.
Yes, this isn't a photo, but I'm playing along with Candid Carrie & her Friday Foto Finish Fiesta anyway. So there!