On a scale of 1-10, Yeah, I'd give them a 1-2 for notifying him after the fact.

The problem is they tell user that they'll inform you right away and give them a chance to challenge the subpoena.

A quick search shows that they've done in the past and people have been able to get the subpoena's withdrawn.

https://thefulcrum.us/rule-of-law/us-administrative-subpoena...

You give Google credit for holding someone's head above the icy lake after they pushed them into lake themselves at the request of the piranhas.