Earlier quoted context omitted.
The only intuitive user interface is a nipple. Everything else has to be learned.
I presume you're being down-voted for the use of the word "nipple," by people who don't know that this is an axiom that has been used in the design industry for a very long time.
It's like quoting Einstein's bit about infinite stupidity, or the Dunning Kruger effect. It's dismissive without being insightful.