Disclaimer- I’m old and from the country and yes, this is a very silly question, I mean it light heartedly.
But honestly, why WOULD you keep a hood up during daylight and when it’s warm (todays example being on a train) if you had nothing to hide.
I don’t mean a normal tracksuit hood if they’d just been working out, I mean where it’s so pulled forward that the face is obscured. AIBU to think there’s absolutely no legitimate reason why this is necessary. As a woman travelling alone I find it very intimidating.