Computers are pretty fast these days. It depends on exactly what kind of general purpose use you're talking about. Trying to push 10 Gbps through a slow old mac

Computers are pretty fast these days. It depends on exactly what kind of general purpose use you're talking about. Trying to push 10 Gbps through a slow old machine? You're doomed. Trying to run SSH, browse the web, or even watch Netflix over a tunnel? Probably fine to send the packet up and down the stack an extra time or two.