As service cuts take effect, MBTA wonât detail the savings Critics say itâs rewriting history, pressing ahead with cutbacks justified by a budget crisis that no longer exists By Adam Vaccaro Globe Staff,Updated February 4, 2021, 7:01 p.m. Email to a Friend The commuter rail station in Plymouth.Jonathan Wiggs/Globe Staff When the MBTA first broached the topic of service cuts last summer, officials suggested they had little choice, given the collapse of revenue during the coronavirus pandemic. But with the first set of cuts now in effect, the agency wonât say how much savings they will yield.