We don't know if these accusations are fake or not. Calling them 'fake' is just a way to delegitimize these women's viewpoints in order to defend Trump. 

What we do know, since we have it on tape, is that Trump boasted about sexual assault. And we also know that conservatives are trying to 'normalize' and defend it by calling it just 'locker room talk'. Both are unacceptable in a civilized society.