I do see it from both sides, definitely. It’s just as a frequent user, it gets in the way. Once you understand what the form does, you don’t really need to be told every time.
Oh totally, that's a great suggestion. Though with ever-more pages conforming to this pattern, I don't want to have to bookmark them all - that's what a search engine is for.
I think it's still a valid discussion about first-time users vs frequent users etc and how much blurb you should show them each time. But they've probably already done the research on this and decided on it for a very specific set of reasons