Well, I have a couple programs that I ran to check out the prefs: Onyx and Preferential Treatment. Everything OK.
Not that they are infallible.
They are definitely NOT infallible as you suggest. Al those utilities use the same Unix command line utility and all it does is check the grammar and syntax of the file. The parameters or values may be completely trashed but you will never know it from one of those utilities. They cannot relied upon for either a pass or fail.
