I'm confused as to the relevance of this post - I'm not sure that the study indicates that smoking marijuana would, you know, prevent death via all glioma type

I'm confused as to the relevance of this post - I'm not sure that the study indicates that smoking marijuana would, you know, prevent death via all glioma type cancers. The variables are different from top to bottom. Is this post meant to dispute the validity of pure form THC-BDS + irradiation as a effective treatment for brain tumors? If so, yeesh.