Well, in this century, videos can be watched in exactly the same screens and devices as pictures, so if vertical pictures are OK, then so are videos; manufactured outrage notwithstanding.

No, they would not learn. Instead they'd be frustrated and stop using the device. Apple's genius is that people can use the device however they see fit and it "just works."

Bollocks to that. If portrait photos are acceptable, so is portrait video. They just need to fix the browser players.