Yeah you are right - you would have to video the entire event and even then she can still claim she panicked and didn't know how to say no. And she will be taken seriously. 
After that she can go apply for a job as a jet jockey and claim discrimination for not treating her as being as competent and effective a decision maker as the average male.
One moment they can do anything a man can do and the next they are infantalized as being completely helpless.
Somehow keeping these polar opposites in their heads does not cause cognitive dissonance in activists... or wait... maybe...