I don't get interested when something says "I'm a really useful x". I get interested when it says "I'm a really useful x because y". You're the x I've been wai

I don't get interested when something says "I'm a really useful x". I get interested when it says "I'm a really useful x because y". You're the x I've been waiting for? Great, why? You're x made simple? Great, how? etc.