This is closer to how things worked in WWII, but not the Cold War or especially modern (eg. India vs. Pakistan) air combat. The ground attack role has largely shifted towards precision artillery and guided standoff-range munitions. You don't need a jet to attack ground assets, and you most definitely can't rely on a jet to defend against rocket artillery or FPV drones.

In any case, you're really just proving my point. Yes, an F-35 can "win" a conflict in a day by flying into enemy airspace undetected and bombing their presidential convoy. That's the sort of interventionist politicking that sickens everyone who isn't American or Israeli.