I'm against wearing clothes in general and never do, when indoors.
Where I grew up, in Haiti, the locals didn't bother wearing clothes at all on wash day, when their only set of clothing was drying. Kids didn't wear clothes until they old enough for body changes.
Swimming suits didn't exist.
My parents were American missionaries so made me wear clothes and swimsuits but my brothers swam nude in the river with their friends.
My Australian friends told me they never wore clothes indoor either and on the beach, when I was there, most women went topless.
I'm all for nudity, but I do think some people should wear clothes as a courtesy to the rest of us.