If your hardware happens to be supported, everything should work out of the box without the need to install drivers;
Is not it true with Windows? Plug and play? And while I did not study this, I strongly suspect that it is more true for Windows than for Linux.
Quite possible. But chance of non-technical person to do Windows install on new computer is zero. Re-instal, on the other hand, is very easy - I have done it couple of times.