Elon plays fast and loose with his opinions in public discourse, but generally when Tesla makes an official move like this it seems to be more thoroughly considered by a larger group of people than just Elon. I have the same gut feeling that you seem to have when I first hear these stories, but the associated press releases seem to consistently have concrete foundations that I don't initially expect.
In this case, they point to their experience dealing with exactly this process in Shanghai, and running the Gigafactory over there for 3 months successfully since reboot. That gave me pause - they've seen this and dealt with it firsthand already, which isn't something nearly anyone commenting on this can say. Maybe they're lying, but that feels like a pretty serious unearned accusation.
I think everyone agrees that we should restart businesses if it's reasonable to, but it doesn't seem like anyone is evaluating what "reasonable" means outside of "what the local government is saying". And then you have to wonder why we're suddenly assuming the state/city government is competent in this case.
I don't know where I stand, but I know that I'm not assuming Tesla is in the wrong here. I know far less than they do and it would take a miracle to convince me that the local government is properly thoroughly evaluating the situation and making nuanced, reasonable decisions (as opposed to simply reacting to the political environment). It's increasingly difficult to figure out how to proceed, but at some point we have to decide that we're able to open businesses back up (with safety measures that we decide are adequate). It's scary, but we can't just wait around for a vaccine forever - it could be years out.
It's just a fundamentally hard problem.