For a lot of people they really want this story to be "ha ha the left turns on itself". And the left sure does. They're damned good at it. People love to punish, and when the real offenders are largely immune to punishment, they'll take it out extra hard on those they can get their hands on.
But there are ways for it to end. She's putting herself up prominently and demonstrating what a genuine apology looks like. She's not hedging, excusing, or turning it around. She's accepting that an apology is more than just saying that you're sorry. Which means that people get a chance to accept the apology.
Something we don't get a lot of practice in. So maybe we'll fail at it. That wouldn't be surprising. But it has to start somewhere, and maybe it'll start with her.
Edit: A gold standard apology is 1) admitting the transgression, 2) understanding the harm it caused, 3) delivering an apology to those affected, 4) pledging to make amends, 5) changing behavior going-forward