If you are willing to spend the time on it, I think it would be good. If the documentary-maker intends to make you look foolish, it could be bad, but it doesn't seem that way.
If you're concerned about inferential distance, good! Then it's just a problem of learning more so you can say the right things. If you ask the documentary-maker what sort of things she would like to ask you about, you can think about them in advance. Or if she won't say, you can try to predict what will be asked. I don't think you will change anybody's mind single-handedly, but you could explain a few ideas, the ones most accessible to the ordinary person, given what they already know to be true.
As Manfred says, you should ask questions about the film. Get to know more specifics about the movie idea. Film makers don't just grab a camera and start asking questions. They'll have some kind of theme and method. For example, are you talking to a silent camera, or is she asking questions from behind the scene? Will the movie culminate around an event (say, the days leading up to you going to the Singularity Summit, or a cryonics convention), or will it be a day-in-the-life-of kind of thing?
I think it is a great idea to make this movie, especially if sh...
Today this girl I met comes to my place, allegedly to get some books about her new interests, singularity, immortalism, cryonics.
Actually, she wanted to ask me a question, a question about which I could use some rational opinion.
She says: "So, here is the real reason I came here. I'm thinking of making a documentary, a movie, and it would be about, well.... about you."
(I am shocked)
"So, yes, a movie about you, and the fact that you want to live forever, it would have interviews with friends, parents, girlfriend, and a lot with you" "What do you think?"
(I sit down in the floor to think about it)
The conversation continues and I generally sense she wants to do something interesting, somewhat controversial, kind of humoristic, but at the same time striking some topics that are really unheard of around here (Brazil)
Now, I am looking for opinions. From an utilitarian perspective, and given that I am directing the Humanity+ or Transhumanist group of Brazilians, should I go with it? My concern is basically not about me, but about how will a movie about me influence, positively or negatively, the growing H+ movement in Brazil, given the inferential distances, prejudices, and mysterianism that might surround the whole interaction between the movie's memes, and the spectator's memes.
(from here below, the translation is google tradutor, not mine)
Positive aspects: The film would be seen at festivals, and at least a few hundred to tens of thousands of people would see it. These people might be intrigued by the prospect of living much, and it could become a platform for attracting people to transhumanismolatino (and eventually to other stuff, like GWWC and Singinst, but that is a side dish).
It would be a good opportunity to bring out various issues that in Brazil have been neglected until now. (cryonics, transhumanism, biological immortality, singularity)
Reinforce my good habits, like eating healthily, work more earnestly, etc ...
Negative aspects: it may end up passing a bad image of me (imagine the mythical average person, not that smart, somewhat religious, seeing a guy who wants to live forever in a video, is very strange) and therefore my bad image would spread to stuff I represent, like the Provisional Team, the Singularity Institute, Transhumanismo Latino, etc......
May defame my image with women (who would date an immortalist after all .....)
I may become a stigma simplified, I would just be classified as an immortalist, and no other characteristics will ever cross the knowledge of people, they always see me just like that. And the institutions that I represent / drive, would suffer accordingly.
I have put up a poll in the comment section down here, so that I can know your opinion, please take the time to vote, thank you.