Unaddressed is why nothing is done, by the target of the subpeona, the NYCLU, the court, the city, or someone else, about this practice and about the apparent i

Unaddressed is why nothing is done, by the target of the subpeona, the NYCLU, the court, the city, or someone else, about this practice and about the apparent investigation into critics. They all seem to treat it as a one-off event, when it doesn't seem to be. I can guess at the difficulties involved, but the question isn't raised and the issues aren't examined.