One's propaganda, the other is payoffs.
The point is, money goes to people who advocate particular positions in both cases. Go to Figure 4 on page 13 of the paper I linked.
Everyone in that chart has something to gain from a particular narrative, not least of which is without the narrative, many of those organizations wouldn't even exist.
With billions of dollars in hammers being funded, nobody wants to hear that maybe there isn't a nail.
You're the one obsessed with the role of money in politics and history. Follow the money here.