An F-35 may be able to shoot you down before you ever see it, but once within visual range give me an Su-27 flanker. Take out a few satellites and the F-35 is blind anyway.
They have to toe the party line, regardless of how may times during wargames ECM have shut them down. They always have excuses about how in a real war that would not happen.
I worked with threat simulation, I know how they deceive themselves. Luckily for them, we use the same sort of tricks, so hopefully no one expects all their electronic toys to work if the shiite hits the fan.