Even worse, https://unity.com/pricing-updates is posted on their site:
"We leverage our own proprietary data model and will provide estimates of the number of times the runtime is distributed for a given project – this estimate will cover an invoice for all platforms."
Estimating how many copies you sold based on your own 'data models' which is impossible to track? Isn't that like a giant red flag for laundering money?
Are the ads injected in real-time or at the start of the video?
I assume it uses extra processing power to add them randomly for each user individually so if it was the latter would rapidly refreshing the page over and over again force them to completely rerun the process over again and slow their servers down? I guess I'm not entirely sure how this would work.