TLDR: I think there are some major variables that your table of numbers misses. That said, it's definitely interesting stuff and a different look at the data than anyone's done before, thanks!
Same. I'm not sure I feel like I can empirically ascertain some "trustiness" from this data per se. I'm neither for or against agreeing with the average rating, I don't think you can definitively say that one is good/bad. I do appreciate reviewers that are more open to using the whole scale overall though.