I left 12 years ago, similar reasons to Wyler. "New Management Strategy" (= No More Sunshine) did it for me.
Most of the problems we now see come from a government regime that rattled on about the so-called "peace dividend", using that phrase as an excuse to run things on the cheap but subsequently sent our forces to war three times......
A government that is proud of our services only when some political gain can be made from it.