"whose brilliant idea was it that mens light zippered jackets zip on left, and winters on the right ?
Answers:
i don't think that's true. men's jackets almost always have the zipper on the right side, and i believe women's jackets have it on the left. same with buttons on shirts. perhaps your man's "light jacket" is really women's.
Other answers:
I guess I just learned something new.
I guess I just learned something new.