When pushed on why Anthony Magnabosco is out interviewing people he responds with, "I like talking to people and finding out what they believe." True enough, but disingenuous. He presents himself as a seeker of the truth and his root goal is he is out to change minds. If the obtaining the truth was your primary motivation, street interviews is an incredibly inefficient method. The interviews come off as incredibly patronising. Questions such as, "If I gave you evidence about a biblical contradiction, and I'm not saying I do, but if I did, would you change your mind?" Of course you have a contradiction up your sleeve.
Honesty and effectiveness appear to be conflicting goals in street epistemology.
I don't see any substantial evidence from the videos (at least the ones I bothered to watch) that he was changing anyone's mind. Once I had a discussion with a group of Mormons. I reduced them to saying repeatedly, "well, I don't know what to say about that." At the end I basically lectured them for 10 minutes about how bad it is to believe a false religion, and they were silent. But I have no reason to believe that any of them changed their minds to even the slightest degree. I would guess that these videos are the same thing.