Google and their famous customer support, yes. Worried they might be, but more than you? For them, the cloud is one of many revenue streams, and nowhere near their most profitable. For you-cloud-customer, a website outage might mean you don't have a revenue stream anymore. It could make the difference between making payroll and shutting down next week. I bet you'll be much more worried than Google will ever be.
Googlers might be more skilled than your ops team, yeah, but I would never bet on huge companies to worry about the fate of something that is not their main revenue generator.
The thing with them is if they go down you have Google to worry just as much as you (if not more) for bringing them back up.
You don't have that with your own servers.