That Apple keyboard is definitely a candidate. Very mushy keys and the keytops are too wide. I wouldn't want to use one for any length of time.
A couple days ago, I used a touchscreen keyboard on a public terminal that had the glass maybe an inch from the screen, no visual feedback, audio feedback that was anything between zero to three chirps per keypress and the keys in alphabetical order ...
OK, it was bad from a usability standpoint, but not catastrophic for ergonomics.