I think anything can be a gift/valuable if you choose to see it that way. By the same token, if you choose to read that book or attend that lame seminar with a dismissive attitude, you'll tend to enjoy it less and derive less value.
For example, once I was at a workshop on Distraction and Getting Things Done -- until I realized it was actually a workshop on being distracted by video games and addiction. The facilitator wasn't very competent, and it turned out to be powerpoints on where video game addiction came from and a sketchy home-made video of her son ... (read more)
What made you lose the mindset? For what reasons do you wish you had it back?
I can't tell if you're being sarcastic here.