Whoa, nice chip on your shoulder, mister. Believe it or not, over 96% of the world's population doesn't live in the US, and there's tons of people doing solid professional work with ancient equipment. For them, the RP could have been a fantastic camera - there's absolutely no reason to have gelded it so badly on the video front.If you need crop framed 1080p in a Canon full frame body, buy the EOS-R. Simple. Don't buy the 5D or 1DX since they don't include it, either. If the price difference between the R and the RP is too much for you to handle, then you don't have the resources for any of this discussion about frame rates and resolution to actually matter. Technical limitations on a camera are insignificant compared to the time and money required to get anything approaching "cinematic" in filmmaking.
All of your post just screams "buy Panasonic/Fuji/Sony/Nikon!" to me.