@chloyster So if I want to reinstall a game I have to decide if it's worth making the dev pay more money due to my game reinstall or install on another device? Is that what I'm reading?
The most they'll have to pay is 20 cents. And that's only with the 200,000th to 210,000th download for developers who are using the free version of Unity (provided that the developer is also making more then $200k/yr in revenue). After that, the developer will probably get Unity Pro and the download fees will start up at $1 million/yr in revenue and more than 1 million downloads. At that point, I don't think that the 15 cents to 0.1 cents that will be charged will hurt too badly.
Unless there's a coordinated effort by a fanbase to install the game over and over again because the game asked you for your preferred pronouns or some nonsense. Or maybe a pirated copy of the game still phones home to Unity and charges the developer. There are a lot of ways this could be problematic.