Once I asked the same on an nsfw subreddit and the responder told me that, its something that is not shown in a general sense like hands. Something that isn't readily seen in a human body becomes elusive and over time sexualized. Its like tits and ass.
Women in some tribes in Africa don't cover their tits, thus men in there don't really over sexualize them.
There are merits to using flatpaks. With flatseal application, you can fine-tune the permissions given to a certain flatpak application. The best thing is restricting internet usage.
Yes stoat. I watched a YouTube video explaining their difference for this. I have too much time lol.