Solving human behavior is the toughest design challenge

He's the guy who wrote Design of Everyday Things, Emotional Design, and Design for a Better World (his latest book, very important).

At no point is this a reason to discard all the goodness this person has brought to UX. There's absolutely no need to 'ignore Nielsen and Norman,' as to this day, they write pieces that are more comprehensible and useful than 90% of design 'content' out there.

Popularity often results in extravagance.

This behavior may result in making provocative remarks.

Read at Medium