It's called exercise. Plenty of people do a lot of physical exercise when they could be content to stay still, but it's good for health.
In this case, mental exercise keeps the brain healthy.
In this case, mental exercise keeps the brain healthy.
I would absolutely fire someone who refused to use the mechanized tree harvester I provided and insisted on felling trees with an axe, and that's about where I stand with respect to insisting on using PDP-10 era text editors over an IDE.