Money can't buy you happiness but it can buy you freedom from justice.
So, the DA got paid under the table? I'm not seeing that.
Cosby admitted, in civil court, to his guilt and the aftermath of that is where the DA took the case to criminal court at a later date, denying Cosby his civil rights. The DA ignored the law. The first DA, not seeing a case, provided Cosby with legal protection for his testimony in the civil case. Justice might have been ill served but, in the end ... his constitutional rights, ours also withstood the challenge.
Apparently there was no case, criminal, to be successfully prosecuted unless Cosby forfieted his rights, which he didn't. So, the State of Pennsylvania, in the guise of the second DA, purposefully denied Cosby his rights under the law. So, more a case of the second DA going for a bit of fame, catering to the politics in vogue at the time, at the expense of a citizen's civil rights. Those rights are to protect
all of us, guilty and innocent. We are all entitled to whatever "feelings" we have with the case but, I'm of the opinion that our "rights" trump "feelings", every time, all the time. So sometimes "bad" guys go free.
Most of the Supremes decisions which "handcuff" law enforcement are the direct result of DA's and cops depriving citizens of their "inalienable" rights. Miranda being one such case most of us are at least familiar with after watching TV cop shows. I believe it was one dumb or ill trained mid-west copper who caused that decision. But, I and the rest of the law enforcement community learned to live with it. The more cops lied to get warrants, the tougher getting warrants became.