You're an angry man. Or woman, I didn't bother looking, sorry.

There's nothing wrong with using 20" in F. I've since tried it if you care to read my thread correctly, to which by the way, I added a link to an article showing how big (small) the Tap 20 is in the London Underground.

NYC to Chicago in F? I try to fly with a carrier that provides power, but generally tend to fly further afar at any one time.

What exactly is your problem with any of this?