For me it just boils down to doing whatever turns you on. My small (but expanding) collection is just built so I can ride. I like the idea of waking up on a Sunday morning, walking in to the garage and thinking "hmmm, what shall I ride today?".
My limited skill set (getting better) means that I don't think I can do justice to restoring a classic high end machine. Maybe one of these days I will do this. Maybe then I'll be more reluctant to ride it. Who knows ...
I certainly don't see the point of getting upset about guys who labour for many hours to restore their bikes, then don't ride them. This hobby (obsession) has multiple facets to it, riding, tinkering in the garage, historical research ... some people like some aspects more than others.
Just do whatever makes you happy.