I think the real take away is that no one has this figured out. A small company has to keep all of its customers happy (or at least be responsive when issues a

I think the real take away is that no one has this figured out. A small company has to keep all of its customers happy (or at least be responsive when issues arise, at a bare minimum). Massive companies deal in error budgets, where a fraction of a percent can still represent millions of users.