Jimmy has gradually cut moral corners with increasing audacity since Better Call Saul debuted back in 2015, and this one act represents that idea taken a bridge too far.
Now Jimmy has done the same, in his own way.
Now that he has officially screwed over a good person once, it will become increasingly easier to do it again and again.
Jimmy has officially targeted a lonely old woman and taken away one of the few remaining bright spots in her life: her social circle.