Have you ever experienced millions of new users starting on your service in the space of a few days? Predicting the future is hard. Calling a team "clowns" be

Have you ever experienced millions of new users starting on your service in the space of a few days? Predicting the future is hard. Calling a team "clowns" because they didn't make the right guesses when they did capacity planning and had a day with downtime as a result of meteoric growth seems unfair to me.