Exactly. They're treating their customers with contempt by not at least pushing back. It almost seems like this is all automated and they don't care unless you're an enterprise customer.
In the US subpoena are extremely overpowered, unfortunately. Often the respondent has little to no legal standing to resist the subpoena and they're issued without meaningful supervision of a competent court.
Most providers won't even tell you when your data has been subject to a subpoena.
Most providers won't even tell you when your data has been subject to a subpoena.