I think most of the shaming comes from people looking at the accusations, and still thinking "Believe Women" means that he is guilty of what she is saying and making a judgement on him. That's not what "believe women" is about. Her claim and accusation should not be discounted, and should be seriously looked into, and not dismissed as a political play or scorned women act of vengeance. It could very well be those things, but jumping to that as the first excuse is just shitty and irresponsible. The accusation should be taken seriously, but to all those saying " I won't vote for him because he is most likely a rapist" is not an appropriate response, yet.
I sincerely hope this accusation is looked into and other people come forward with their stories if it is true. However, I find it suspect that after years of people talking about Biden's overly touchy behavior, none which seems to fit into any sort of sexual predatory category , she is the first and only women to come forward. That sort of behavior, especially of someone of his age and public presence is unlikely to be the only time he has done something of the sort. The man seriously has some boundary issues, but not a single women other than the accuser, has ever said they felt it was some sort of sexual come on to them, and even if it did make them feel uncomfortable it never felt like a sexual intent. This accusation is the first I am aware of, where Biden is accused of malicious sexual behavior.
You couple that with some members here thinking Biden is the devil incarnate, and it seems like some are just looking for anything to throw against him to get him out of the race. More so, they are playing right into the opposing hands, both GOP and alt-right who want you to tear him down over something we frankly don't know much about.
Shaming people into voting for a rapist, or a person with multiple credible accusations is a terrible thing, but that's not what really seems to be happening here. People here seem to be shaming others for rushing to judge him as a rapist, and thus equating him to being "the same as Trump so I just won't vote".
I do want to state, I don't think any of us should be calling this woman a liar or dismissing her claim. It's a serious accusation, and thus it deserves to be seriously looked at, not treated as an already case closed on Biden or dismissed as a political hit.