Hell, namespacing makes life easier even just for yourself. I wrote some browser automation in a previous role that was never going to be user-facing—it wasn't

Hell, namespacing makes life easier even just for yourself. I wrote some browser automation in a previous role that was never going to be user-facing—it wasn't an extension—and it still proved useful to namespace things, both to clearly mark what we were inserting vs what was already there, and to avoid possible collisions.