This is what happens when you reduce the budget in a specific industry by a large amount."
In part. The other part of that is SMEs were in for a tough go because the Entrenched Defence Bureaucracy told massive fibs to industry about the fantasy of 3000+ F-35s. That: there was up to $9B in home industry work (potential) and every superlative to describe the Just So Failed.
Ask Production Parts how that all worked out. Oh wait. You can't. They are dead.
Corporate carcasses indeed.