Why can't I wear underwear at the swimming pool/beach? I mean, all

Should I wear swim trunks to the beach? - Quora

Is it okay to go swimming in underwear? - Quora

Is it normal to wear a shirt at a beach or pool? - Quora

What can I wear to the swimming pool if I don't have swimming trunks? - Quora

Can you wear underwear in your own swimming pool? - Quora

Why can't I wear underwear at the swimming pool/beach? I mean, all kinds of swimsuits have the same function as underwear to cover some parts of the human body. - Quora

Is your underwear safe in the pool? - Quora

Why is it considered to be indecent exposure when a man swims in their fruit of the loom underwear, but its socially acceptable for a dude to swim with skin tight, Speedo

Can a swimsuit function as underwear? - Quora

What kind of underwear do you wear in a swimming pool? - Quora