So, based on how networks and the internet works, no one from Europe can access a site if it's hosted in the US? Based on how networks work, you need to know w

So, based on how networks and the internet works, no one from Europe can access a site if it's hosted in the US? Based on how networks work, you need to know where to send back those packets. Or do we have to all just blanket disable access to users from Europe. This is insane.