It's your definition of an "extreme response" that we disagree with. You seem to be stating that any response beyond ignoring the advances is extreme or uncalled for, and it's not.
No. That is not what I said. I never said ignore. There are various ways to communicate, and the degree of the response will be completely dependent upon the particulars. That is what I have shared from the outset.
I haven't seen here where people are open to sexual harassment or the like. But if something makes a person uncomfortable, they have to take ownership in how to handle it. It may not be their "fault," but it has become their problem, if you will. So, once more, some situations will require a more severe response while others may not.
I don't treat every situation in life with people the same necessarily. There are nuances, variations--there is a sense of intuition and judgment required.
Certainly if I were the OP and the doc she was shadowing asked me what I was doing later and hinted that he wanted to get together, I would ask outrightly, for clarification. That is to say, I would say, "What do you mean? Are you referring to further shadowing? Are there some particular cases which you think I would find interesting?" I'd put it back on to him.
For the dude that wanted strand of hair, well, honestly, I would have told him "No." clearly, in one way or another, even if he was drunk or had some psychiatric disturbance. So, what's the big deal with giving him a piece of my hair? He is asking me to participate in his psychosis, which could lead to being pulled in even further. Cut it off then and there, especially since the request is odd enough. Even with psych people--especially with psych patients, there are boundaries that are to be set. You can't be overridden by fear, but you can't be foolish either. It's in the delivery though. It's firm but not hateful or totally cold.
As for me, this particular thread has run it's course.