Att sucks. They force people to use their modems. I did some googling. I think they are the only ones that do that. There are fiber modems out there but att says nope. I dont rent equipment anymore. ISP's equipment is never top of the line and they have total control.
I've had first hand conversations with Soldiers that were ordered not to touch the opi fields. I've spent time with Special Forces Soldiers that were told by the see eye aye to not ask questions and follow orders.