API Error: Server is temporarily limiting requests (not your usage limit) · Rate limited
Limited "free" time is what game developers do if they want to stress test the infrastructure code until it breaks.
IMO the data from chats alone is worth $200B to Google.
For the stuff I've thrown at it, that configuration has done a really great job. Including 70+KLOC go proxy with extensive test suite, some retro games, and more.