Disregarding the Apple censorship brigade, what I've found when comics get censored by a publisher or whoever, it's because they don't see comics as art. They just see it as a product so if the product has something "indecent" or has the possibility of causing concern by parents or whoever, they decide to err on the side of caution and just censor it.
I think it's more so to be NSFW. I know I've scrolled Facebook at work and suddenly something super sexy will pop up and I have to scroll by quickly!! lol
As for the topic in general, I have no problem with nudity in my comics. I love breasts. I love to draw breasts and hips. So I put them in my comics. The female body is beautiful and something I enjoy drawing (well, male bodies are beautiful too but..... ......more difficult to draw........). Also in my True Power comic, the alien race doesn't mind at all walking around with their tits/chests out so that just naturally happens sometimes.
But also, I have been making the "NSFW" pages of my comic Patreon-only. So because it's "exclusive" most pages on Tapas/WT are SFW. ^^
I also use creative shadows to hide those special areas when needed.
I don't think I've ever put nudity in the comics for non-story purposes or pointless fanservice. There's always a reason why.