People respond to threads here on CC not just to help the original poster but for other students reading these posts.
It’s perfectly reasonable to point out to pay attention to deadlines and plan ahead.
While it doesn’t help you to have that pointed out, it could help another student avoid a similar problem.
At my D’s HS all requests for LORs and transcripts were due weeks before the deadlines. Not a chance anyone would have been reachable during winter break.