Seriously, all successful entertainment stories are based on keeping at it until success is found. Doesn't work for everyone, but there isn't a guaranteed path and it sounds like you are doing the steps you can already. You could volunteer for hospitals, although you might get rejected without some kind of way to verify you are legit.
I'm aware of what you are saying and disagree. You apparently take disagreement personally as most of your comments in that post to various other users are hostile too.
Please be aware of how you are approaching discourse.
Money. He could afford lawyers that were able to dive into every possible way of explaining away his crimes in a way that fit the jury's concept of reasonable doubt. Also by being able to avoid needing to address violence charges that were past the statute of limitations. Harder to sell violence as a way of coercing when you can't prosecute for it.
Plus he is famous and that frequently allows for less social judgement of crimes.
The characters on Seinfeld were NOT intended to be likable.