I've always called it and its many nuanced brethren irrational exuberance or the kumbaya effect. Lots of talk of daisies and success that's easy to come by, but

I've always called it and its many nuanced brethren irrational exuberance or the kumbaya effect. Lots of talk of daisies and success that's easy to come by, but little actual action by the audience of posts like these. I'm aware I'm probably using Greenspan's words incorrectly, but I feel it accurately conveys and paraphrases the general idea.