The problem is that the head of that organization is someone who absolutely can't be told anything, especially not things he doesn't want to hear.
As much as I want to watch Twitter collapse under the weight of it's own incompetence, it seems highly unlikely that Elon Musk is going to allow Twitter to go offline. If Twitter really was so fragile that it couldn't be scaled by throwing more money at the problem, then I guess I get why all the previous engineers were fired.
Unfortunately as you can see he ended up buying his own brand, his cult of personality, and the sycophants that come with it. It's a tragic tale as old as humanity. He is off playing politics and polishing his ego while Volkswagen and the rest of the auto industry is eating his lunch.