"<escape> colon w q <return>" is too many 'actions' for me personally (and anything that needs me to reach to escape is really asking for it), and I sometimes even mess that combination up (I used vim before using Komet). I learned about :x recently which is only just slightly better, but not in my muscle memory yet. Then one may need to decide when to use q! or cq to discard..

I also prefer using a native editor and am more productive with spell checking and auto correction, surprisingly.

edit: I'm also not a user that uses the keyboard all the time. After using Komet, I am surprised how often I actually used the mouse to hit commit instead.