Attack helicopters might still have a limited role in some theaters. But the Marine Corps seems to realigning to fight China in the Western Pacific where, regardless of survivability, regular attack helicopters lack the range and speed necessary to be relevant. They might also face a threat from manned fighters which are potentially very dangerous to helicopters, even those flying evasively at low altitude. Thus the shift in force structure away from attack helicopters and towards the F-35B.
I'm not trying to argue with you and I appreciate you weighing in with firsthand expertise. It's just that current USMC leadership seems to be focusing on different priorities.