Those last few seem more like mechanical ideas that don't work, rather than sacred cows. AFAIK, sacred cows tend to be concepts which are in the rules arbitrarily, held over due to tradition rather than reasons of mechanical balance or legitimate flavor.
On the monk, mentioned above, I don't think it's a sacred cow for them to need to be lawful. It's reflecting the traditions of eastern philosophy that seek zen-like states of calm and an ordered mind. Exceptions can exist (either as variants, PrCs, or feats), but the supernatural abilities of the monk are reflecting a state closer to enlightenment. (That's pretty much how I see the outsider stuff at level 20, full true enlightenment to Nirvana in the buddhist sense.) So when you leave the path of enlightenment, going away from the lawful ethos or taking levels in another class, you're forsaking that path as an option, and need to reform your ways to re-join the path.