Two PMs left a company with 125,665 employees. Yes, they are very important, but this happens every day at companies all around the world. Could be burnout, they are rich, got better offers, anything really.
People are so desperate for Tesla to fail they will latch onto anything.
What is the specific criticism? You believe it should not be reported on? Or you simply don't like the tone (in which case, why are you omitting that)?
He wasn't the "head of cybertruck" - if you look at his LinkedIn, he was a lead program manager. Still an important cog in the machine, but he'd been there for 8 years from an intern.
Model Y guy makes it sound like he was more of a key person, though.
People are so desperate for Tesla to fail they will latch onto anything.