Earlier quoted context omitted.
> [Y]ou are responsible for [how] your neighbours [use the Internet]. Nope. I'm very much not responsible for snooping on my neighbor's private communications. If anyone is responsible for doing any sort of abuse monitoring, it is the ISP chosen by my neighbor.
This is not a normative social prescription, but a descriptive natural phenomenon. If there's a neighbour in your building who is running a bitcoin farm on your residential building, it's going to cause issues for you. If people from your country commit crime in other countries and violate visas, then you are going to face a quota due to them. If you bank at ACME Bank, and then it turns out they were arms traffickers…
What ass-backwards jurisdiction do you live in where any of the things you mention in this paragraph are true, let alone the notion that uninvolved bystanders would be responsible for the behavior of others?