Weak airshows...
I've been watching F-15E strafe and PGM drop videos over Iraq and Afghanistan, and not one of them involved pushing the airframe to the limit. They ALL involved the precise application of lethal airpower in specifically measured and effective amounts. Airshows are publicity events, nothing more. If he isn't on a demo team, a military pilot has absolutely no business "pushing the limit" at an airshow. Even a demo team has to prioritize safety vs. how deep into that gray area near the edge of the envelope they go, and right now there's no reason to push things.
There is zero practical experience that can be gained on the airshow circuit, unless your job is putting on airshows. For a combat pilot, every minute spent flying an airshow demo is one minute of training lost forever. I'm not bagging on airshow pilots because the public should get the chance to see what they're paying for and a professional airshow demo is the best way we can do that without actually shooting someone, but it has nothing at all to do with combat capability.