He touched upon it this episode, how he's been locked away working on himself while letting everyone on the outside take the fall.

But Reg! He's been dealing with mental issue stuff! But both Elliot and Mr.Robot have dropped the ball...you figured if Mr.Robot gave a fuck (or better yet, if Mr.Robot felt Elliot gave a fuck) he would have used it as a reason to motivate him when he was trying to get Elliot on plan.