I had a similar issue. The blind spot was unit tests.

I think the issue is just that it's incredibly hard to sell an abstract idea and incredibly hard to convince people to abandon ingrained habit.

I created a testing framework where you wrote half a test in YAML and the framework filled in the rest based on program output.

It made writing tests quick, easy and even kinda fun.

Moreover if you added a bit of explanation prose to the YAML and used a slightly nicer example scenario it would generate you guaranteed up-to-date readable markdown how to docs. For free.

But, these things are culturally chorey and there's a shame culture built around them.