Here's one for the icons-in-menus haters on macOS Tahoe:

defaults write -g NSMenuEnableActionImages -bool NO

It even preserves the couple of instances you do want icons, like for window zoom/resize

/cc @gruber

@stroughtonsmith How in the world did this go undiscovered until now?
@gruber @stroughtonsmith Just Finder, though, huh
@lookmark Okay, so it is just for Finder? I thought I was doing something wrong.
@luckie_reubs @lookmark It's unevenly supported. Pages, for example, sheds 95% of them. Messages is unaffected.
@luckie_reubs @lookmark and it *really* cleans up xcode!