Please find updated patch for new shortcut keys, I have tested it on all three major platforms (macOS, Linux & Windows with Chrome, FF & IE11 Browsers).
Right - we lose the ability to uncomment multiple levels though, which may also be useful.
Well yes.
I would argue that simplicity trumps potential use. I'd also argue that attempting to maintain consistency across environments (IDEs, etc. ) is advantageous. This was the philosophy we were going with when enabling excel like behavior (also why I'm not fully happy with how it is today).