I would agree that any complex system is going to have problems.
In my ignorant opinion the F35 has an excessive number of issues and exists solely on its political supporters.
It ultimately became the most feared weapon for the soviets when it matured. It was the only weapon system singled out by them in early arms limitation negotiations.
Some eagles look like turkeys, some turkeys soar higher than eagles.
On a totally different note, Warthogs forever!! Now the A-10, that's an airplane!!