In the US, private industry is broadly empowered to say "No" or "I'll see you in court" to government demands, to a larger degree than many other countries.

The side effect of empowering private industry is that organizations like FEMA and the CDC can't force much, and typically advise or request.

Which doesn't get things done nearly as efficiently when it's a situation where proposed actions are detrimental to one corporation, even if good for the nation.