Then I wonder why it is remarkable? The absence of a response may be worth commenting on, but this seems fairly unimpeachable. It's distinguishable from a noop

Then I wonder why it is remarkable? The absence of a response may be worth commenting on, but this seems fairly unimpeachable. It's distinguishable from a noop because some information is imparted, namely that a) they are aware of the issue and b) that they have formed a preliminary view it warrants a response.