The camera isn't for me (my R5 is plenty enough) but I don't think that a R5s will need 20fps eshutter on it either for most use cases. The 5DSR has been used for birding etc but wasn't its primary audience.Lol. So many people say they want this 100mp camera but haven't thought about the computer side of this. My 2017 MacBook Pro already shows a significant slow down using 45mp R5 raw files vs my 30mp R raw files. I wouldn't want to have to push 100mp images through this. I guess if you were just working on a suped up Mac Pro (starting at $6000) you probably wouldn't flinch.
My 2013 specced up MBP is much slower now with R5 files vs 5Div files... just waiting for the new 16" MBP/M1 chipset to be released before upgrading and it should fly
It will be interesting to see the Geekbench comparison with the new MBPs vs Mac Pro. The M1 mini etc is not too shabby!