I like to have a movie library simple at that.
Some people never will understand that and that's ok. There's nothing wrong with renting (though I do often get discs that look like they have been hit by a truck). I love Netflix and with the 3 at a time plan and the fast turn around in my area I can watch something different nearly everynight if I want to. Clearly I understand the utility of that.
I know people that do Radio Control model airplanes and enjoy it,.. it's nothing I'm interested in but whatever they like to do should be ok.