Should be upvoted more - many shops do this, sell a product at a nominally "low" price but then rely on add-ons like meteor-strike insurance or phantom "setup/calibration" fees. To the point they even try to scare customers or magically run out of stock.

I seem to remember that elsewhere it was said that Google wanted to enter the power market. They are a pretty big consumer themselves and are apparently looking to be a supplier but as yet, are not a producer.

Energy trading is a complex game. Perhaps they hope to get a better advantage by themselves getting better knowledge of how much power people are busing and when.

Forget the tool-chain for a moment. The real benefit is the GPL. It protected the kernel and toolchain so that improvements are shared in a developer community.