He had a flyable plane with plenty of fuel, a functioning backup radio and instruments he could have verified primaries against or just switched to, and even failing everything else, he could have verified against what the tower saw on radar for speed, heading, altitude, etc...and then asked the tower to get him to his wingman, and then followed his wingman in.
Instead he decided "HUD freaking out, that means I can't trust my instruments, that means I'm in immediate danger! PUNCH OUT!"