If people want to replace vim, they should not change the keybindings.
It's pretty close to vim keybindings, but the paradigm change makes it incompatible with 1:1 keybindings.
That said, coming from 15+ years of Vim, I was felt pretty much immediately at home with Kakoune, and dropped right in to Helix with comfort.
gl end of line
Both key presses are home row, and as soon as you press the 'g', you get a little pop up telling you about them.