This could show mark how much weighted bones are really needed in quality games.
Yup, we need to do this... but the best way to do it would be IMO to render out weighted example and then duplicate that in Blitz real-time using non-weighted model (with same camera setup and wireframe etc) so that you can compare the differences. Video is the only to do that since Blitz does not have the weights (and since Blitz can play videos, you could cram them to same Blitz window side-by-side).