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Unity will start charging developers each time their game is installed
(www.engadget.com)
This is a most excellent place for technology news and articles.
From a Cybersecurity point of view, I think this is a legit attack. Imagine a server that has many virtual machines, all of which automatically trigger the reinstall mechanism as fast as possible.
If there is not some kind of limitation on that rule, depending on how their mechanism works, you could cost the game creater a lot of money.