I follow the same policy as you do with all non-open-source software. (With open source software, it's generally straightforward or at least possible to downgr

I follow the same policy as you do with all non-open-source software. (With open source software, it's generally straightforward or at least possible to downgrade if something breaks… and I'm usually very confident that the software isn't being intentionally degraded on purpose.) But folks like you and me are few and far between, and vendors and IT departments tend to be incredibly hostile to this approach.