No one needs to know the raw numbers. That may be a little more helpful than no numbers but that could also be internal data they’re not comfortable sharing, and that’s fine. There are numerous other ways to write this that would have communicated the scale of the impact more rigorously, but not deal in absolute, raw numbers.
For example, by using percentages: This outage impacted 1.5% of customer requests vs. a “small” amount.