And there are other factors at play in his case. For example, he solicited his own daughters to enter into a criminal conspiracy, didn't he? Accordingly, they are subject to prosecution as well. I doubt he wants to see that happen.
Milken was sentenced to 10. He wound up serving only 2. Upon release, he promptly violated terms of parole by involving himself in investments again. And yet he didn't serve more time. Deals are cut all the time, pre- and post-sentencing. We'll just have to wait and see...