Yeah it sucks to be a FaaS customer on a cloud run by someone else... you're just overpaying for easy instead of simple etc.

But if you're in Meta, and you're running on an abstraction built and maintained by Meta, then the it's running for cost instead of profit and the the incentives all align between user and infrastructure provider?

I imagine the development and deployment ease for a system at Meta for Meta could be dreamy. At least, it has the potential to be... :)