"Good lawyers who only take on cases they can win" doesn't exclude corruption. They are very talented and they know how to win in court; all you've claimed is that they are powerful, not that they are not corrupt, and in fact usually power and corruption go hand in hand.
And I think it's equally as feasible to suggest they give up the money in private practice for the power, not out of some moral calling. Federal prosecutors/investigators are some of the most powerful people in this country; they can destroy lives at will with a single glance. That is attractive to many kinds of people, some of whom aren't well-meaning selfless volunteers.
If you want civicly minded people look to the public defender's office, that's full of heroes who do the right thing without high pay or wielding enormous power, just the satisfaction of knowing they may have helped save innocent lives.
And I think it's equally as feasible to suggest they give up the money in private practice for the power, not out of some moral calling. Federal prosecutors/investigators are some of the most powerful people in this country; they can destroy lives at will with a single glance. That is attractive to many kinds of people, some of whom aren't well-meaning selfless volunteers.
If you want civicly minded people look to the public defender's office, that's full of heroes who do the right thing without high pay or wielding enormous power, just the satisfaction of knowing they may have helped save innocent lives.