My frustration with replies like this one is assuming that everyone here is working on personal projects or at tiny startups trying to get users.
A lot of us work at big companies with lots of users and demand and aren't just making POCs, but every time we bring up scaling or maintenance or monitoring we are told not to worry about that yet.
Why should you be worried about large bills if you are working at a big company?
This whole Tell HN is about personal projects where costs matter, the startup tangent here is just a jab at people underestimating the raw processing power of modern hardware.
Big corps can do what big corps do with their big corp money. 200 user startups don't necessarily have hate kind of money but pretend they will be big corp very soon and thus need to spend big corp money.
A lot of us work at big companies with lots of users and demand and aren't just making POCs, but every time we bring up scaling or maintenance or monitoring we are told not to worry about that yet.