What if all the porn, adult, crypto, gambling, etc. content was in a separate part of Internet? Like a red lights district. Or at least be easily blocked (but w

What if all the porn, adult, crypto, gambling, etc. content was in a separate part of Internet? Like a red lights district. Or at least be easily blocked (but with laws requiring them to help blocklists or IP/domain). In meatspace there are rules of how close those can be from schools and churches (of any denomination).