I don't think anyone on hackernews would be surprised by this. The scale they have to operate at is absolutely insane. To scale flawlessly on day 1 is a big ask of any development team.
It breaks when you hit the main CTA button to start a free trial now. I don’t understand how a company with billions of dollars in resources can fail to solve such a well trodden problem. Even if there were a billion users on day 1. I wonder if the problem is due to an abdication of parts of the engineering problem, an over reliance on 3rd party services, that meant that no-one in the engineering team was able to stu…
Billions of dollars don't give you good technical management and people with expertise to build such things. They only give an organization where there is no pressure to be good at anything and, you know, actually compete, there is only pressure to make sure they don't have to compete, that's how they got their billions after all. And it's not like there is a definitive guide or something that you can follow to build reliable systems without experts.