Demis Hassabis sold DeepMind to Google in 2014. Just one explanation, was to acquire his hands on this. Google has the enormous computing power that AI requires. This computing Centre is in Pryor, Oklahoma. But google has 23 of these, Placing it close to the top rated in computing ability https://econopass.com/e-business-and-marketing/the-future-of-ai-unlocking-its-boundless-potential/