Has BioWare been training us to be the villain?

Has BioWare been training us to be the villain? Commander Shepard had to make some tough decisions during the events of the original Mass Effect trilogy. From wiping out entire species to toppling sovereignties, chemically castrating a race through inaction, and too often steering the crew of the Normandy into deadly peril, it was a torturous journey. But Shepard isn’t to blame, not really, because