Earlier quoted context omitted.
Society never made an exception for sexual abuse at all. If I accused Justin Bieber of beating me with a crowbar, but somehow I was unable to provide any evidence at all that I was ever even injured, people wouldn’t take me seriously. If I successfully started a rumour that Biebs was a serial crowbar assaulter, it’s possible that it might get some media traction, but publishing rumours like that (at least used to be)…
What are you talking about? Women are still often told that sexual harassment is their own fault for dressing the way they do, or get told "boys will be boys". It used to be expected that women would have to put up with it in the workplace. Rape victims get told that if they really didn't want it to happen they could have fought harder. There are still judges in the US giving lighter sentences or no jail time at all…
However those objective are very clearly to undermine the foundational principles of justice. Perhaps you find the arguments for this to be very compelling, but it’s simply a fact that metoo set out to promote a presumption of guilt, in all areas of society that it was able to influence. Most metoo advocates entirely avoid addressing this fact, and a lot of people reasonably disagree with metoo because of it.