Verizon was likely mot meeting the terms of their contract under the Western States Contracting Alliance (WSCA), they likely statement messaged these government customers back in 2016 saying "we're changing the terms" without renegotiating the contract as they were supposed to. This $37.99 unlimited plan is offered by both AT&T and Verizon under the WSCA contract, only Verizon chooses to throttle this plan...