The video appears to take place on a college campus and the interviewees appear to have the shallowness of youth. They are only answering in terms of the world as they experience it.
Expand the world view to include a 20 something man and a 65 year old woman who took an interest in his education. Would he say that they could not just be friends?
How about a 28 year old man and a 55 year old woman in his profession who took an interest in mentoring him?
How about a 55 year old man and a 40 year old nun working on a community project?
The world view of the interviewees is too narrow.
Exactly.