Air traffic control, we could leave that to the airlines, right? Or maybe you'd like 50 different collections of rules
Yes, we probably could. There are international standards for the rules (ICAO) that the US essentially follows now, so there's no reason we'd change from that. There are already variations of the rules per state or airport.
Canada has a privately owned company running the air traffic control (called NAVCANADA) , so it could definitely be done.
Google's malware page *does* give an option to continue
Last I saw, the only way was to copy the URL and paste it in the address bar, but it may have changed.
If you can't learn to do it well, learn to enjoy doing it badly.