Only for MU; not from a third party such as the federal government. The ToS is a private contract between MU and their customers. It is completely inapplicable to any issue between their customers and the federal government.

That said, the users will likely never see a dime because the government's sovereign immunity prevents anyone from suing the federal government over damages relating to law enforcement seizing evidence of a crime.

This immunity is what enables the executive branch of the government to abuse this authority and treat seizure as a form of extra-judicial punishment without going through the courts.