https://www.youtube.com/watch?v=1fZTOjd_bOQ&t=1852s You're missing the ampersand.

It's really strange how he spins off on this mini-rant about AI ethics towards the end. I clicked on a video about UI design.

Same. AI is absolutely the future of human computer interaction (exactly the article from Jakob Nielsen that he crossed out). Even the father of WIMP, Douglas Engelbart, thought it was flawed: ""Here's the language they're proposing: You point to something and grunt". AI finally gives us the chance to instruct computers as humans.