A decent attempt to define "casual observation", however I felt that the answer lacked a degree of contextual relevance, so only a six and a half out of ten from me B)
For me the "imperfections" I associate with super 8, i.e. grain, a general softness of focus, saturated colours, are elements that are missing in this footage. That is why I think it looks more "video" rather than Super 8 film.
For me, it is merely down to a matter of taste over anything else. If I get commissioned to shoot Super 8, which admittedly is a rare occurrance these days, the client paying for that privelege wants a "Super 8" look.....while I think this footage looks "quality", I don't think my clients would be happy with the lack of "super 8ness". Most of my clients want video to imitate film, rather than paying a hefty price for film to imitate video.