> I wonder what motivation you think governments have

Well of course pharma makes a lot of money, and offers jobs to govt people who grease their palms with public money.

But more than that, bureaucrats like to feel like they're important and that that they're helping. Governments have done a huge amount of damage simply because bureaucrats:
1. Always think there's an emergency
2. Always think intervention is necessary to stave off disaster
3. Always think that they're qualified to intervene

In reality, there's essentially never an actual emergency, and as such, government intervention is almost never necessary and it almost always makes things worse.

But if you believe these things, then you realize that bureaucrats are more or less useless. So as a bureaucrat, you will almost by definition believe the fantasy hero story.