Earlier quoted context omitted.
The productivity part is that it binds single keys directly (without meta keys like control, alt etc) to actions, so working with it is extremely fluid, almost like typing. There is almost nothing I need menus or gui buttons for, so I never have to take my eyes off the work. I often work with one hand on the keyboard and the other on the mouse and I just get into a flow where I have completely forgotten the human / c…
That sounds cool. Given that you use vim- I assume you're a programmer too- what do you use inkscape for?
I used to use it a lot for icons etc. but now I need to publish technical diagrams, which always need to be in PDF form and often include elements that are created programmatically as SVG. So Inkscape is ideal to work up the finished figure for publication.