In the short term they get paid the same, but if their success ratio goes down because of failures in actual trials and because the plea bargains become harder to push on the pawns, they may be phased out entirely.  Of course, the government minions do not get paid based on success, that is the way government works.  But when thoughtful people have more impact on juries, the process as usual may hit a rock becoming subordinate to the more rational folks in society.