I assume you have multiple accounts here, since I was replying to a different user. This in itself tells something, but then again, why should I care. Not sure why you keep implying that castration should have something to do with books. There is very simple non medical meaning that probably comes from latin, you can find it here https://www.merriam-webster.com/dictionary/castration
no it's not. they straight up serve kremlin, promoting kremlin fake news and silencing russian opposition (not much to silence but still). they can have whatever functionality they like, I still won't use it in billion years.
Because it's obvious to anybody. It's also obvious that modern humans are far less exposed to UV than our ancestors, who pretty much lived like current days hobos spending most of their time on fresh air.