I agree with defeating the majority of the time, the one that i disagree with is when watching college football and a heavy underdog defers. By the time the second half comes around they are normally so far behind they would have been much better taking the ball to start which would take away a possesion for the opposing team and gives you a chance to build some momentum.

A dvd drive for a PC costs like $20. Even the usb ones. It would be a hell of a lot easier to just copy what you have down than to try to redownload everything. Assuming a lot of it is even easily available

Even if you want better quality it still likely easier to just point Radarr or Sonarr to the existing media and have it scan for higher quality than putting it in all manually o