Does anyone know how what kind of local hack had to IMDb implement to allow this special rating scale for "This Is Spinal Tap"? While the current movie rating

Does anyone know how what kind of local hack had to IMDb implement to allow this special rating scale for "This Is Spinal Tap"? While the current movie rating shows 7.9/11, you can only rate it on the 1-10 scale. For those unfamiliar with the reference to 11: https://www.imdb.com/video/vi149275673/?ref_=tt_vi_t_2 https://www.imdb.com/video/vi149275673/?ref_=tt_vi_t_2