"This is why I generally forbid the use of the word 'just' when people are making feature requests."

Agreed! Keeping "just" out of conversations involving feature requests is amazingly hard to do, but in my experience it works.

Laying down that rule does a surprisingly good job of making people aware of when they're getting ahead of themselves, and jumping out of their area of expertise when asking you to do something. "Can't you just ..." teeth grate