I think that is exactly what they are attempting to do. Should they have a valid need for the data they could issue a warrant in Ireland for the data. They haven't. This either means they don't have a valid need for the data or they wish to set a precedent to circumvent international treaties and access any data they wish without appropriate oversight.
Microsoft will resist and Google and Amazon should be trying to assist them otherwise no one in their right mind will be looking to buy cloud storage or compute services from an American based company.
Biting the hand that feeds IT
