Kevin claimed that Randall didn’t take care of the family and Jack died because Randall didn’t go into the fire to rescue him, while Randall countered by saying that Jack died ashamed of Kevin, and even insulted Kevin’s acting skills in the process.
Kevin got the awful, horrible, heartbreaking last word, however, when he yelled that the worst thing that ever happened to him was Jack and Rebecca bringing Randall home. Ouch!
The Pearson men had their blowout at the end of Season 4 over their different opinions regarding Rebecca’s treatment for Alzheimer’s, but the fight quickly began to cut deeper than just what was happening with their mom.