I do not have sufficient profanity in my verbal arsenal for websites that override basic, fundamental browser behaviour because they think they know better than I do what I actually meant to do. I have noticed Medium being a regular perpetrator of this sort of broken behaviour before. That one of the developers at Medium could run into such a glowing example of one of the many reasons it's nasty to override browser b…
I haven't used Medium, so I can't speak to it, but in my experience the most frustrating instance of this behavior is from Stack Overflow. Keybindings such as `Ctrl`+`k` and `Ctrl`+`b`, which are native to OS X, behave completely unexpectedly in Stack Overflow textareas, to the extent that I sometimes just give up and compose my text in an external editor.
Worst of all, I can't seem to find a way to alter the keybinds, or (more importantly) the mouse-5-means-go-back gesture.