Tomorrow is a new day! and Start with a clean slate! are laudable goals and ideals for us to have and we would all want that for ourselves ... but maybe not to the point of delusion and detriment to society?
However 200 (potentially false) accusations of assualt shouldn't matter. Otherwise a bad actor could just repeatedly accuse someone until the accusee hits the 200 (or whatever) limit.
If I remember correctly, the previous district attorney in Manhattan was very friendly with the wealthy people. Imagine how much they could legally wreck your life if this was left up to the prosecution.
And the places where people get away with a lot of crimes are places with corrupt underpaid police force rather then the ones with stopping civil protections.
On discussion forums people talk about it as if the issue was impossibility to find evidence against single dumb impulsive individual. When you look at places with a lot of unsolved cases, you see cops who don't care or who protect their friends or are corrupt or who prefer to prosecute random people. And you see good apples cops getting demotivated and loosing political confkicts against bad apples cops.
What you don't see is well discipline well intentioned police force that is just unable to get doctor report of injuries or use testimony as evidence.