Recent tooltip said something like.
"Did you know that you click the "Text" button to enter text in a form?"
Actually I did, since I've been using Acrobat for 20 years.

Stop wasting my time, get out of my way, and let me do my job. If you think you know the right time to tell me a new feature, you don't. You don't know what I'm doing, you don't know what I know. If I need help finding new features, I will decide that on my own.