I sincerely have a problem.
My Steam wishlist is 95% things I'll never purchase. Most I know nothing about. If a friend buy something I'll at minimum stick it on my wishlist. If a friend wishlists something, I follow suit. I currently have 127 games on my wish list and if someone offered me a million to name 10 on that list I wouldn't be able to. I can't make myself delete them though, and I really can't come up with a good reason not to, outside of maybe, just maybe Steam will discount them 90%, because quite frankly, that's what it'd take to merit a purchase on most of what's there.