They just sent out a postmortem email that states that the variance in traffic over the course of the day is only 10% and therefore there is no such thing as "p

They just sent out a postmortem email that states that the variance in traffic over the course of the day is only 10% and therefore there is no such thing as "peak". And then in the next sentence said that they scheduled the maintenance at a non-peak time when the most engineering resources would be on hand to deal with any issues.