Let’s say, you wanted to reward a politician for supporting your political beliefs, you can’t just… give them money now can you?
But, you can help them get a book deal, and then when the book comes out you can buy a bunch to donate to libraries or something. This has the benefit of artificially inflating the sales numbers and getting it on a best sellers list.
Read: pete had a meltdown when popular media depicted the millitary in anyway other than his prescribed image.