[muninn_]

Or they could just buy Uber. The thing is they likely wouldn't want to own Uber, especially considering it's just burning through mega-cash.

[londons_explore]

Google has mega-cash, and is happy to burn through it if long term returns look plausible.

[xapata]

Perhaps even enough cash to create the dominant ride hail company from scratch.

Coca-cola was about to buy Gatorate for $13B. Buffett squashed the deal at the 11th hour and Pepsi paid $14B. Buffett presumably thought that Coca-cola could use the $13B to make its own sports drink. It's still not clear which company was wiser.