1000%, I did a lot of research but didn't think to explore this issue first and it was a derailer for me. I ended up selling the camera to KEH and buying a different set up for my video needs. Bummer as the R6 is a great camera otherwise. The R5 mkii...
I don't know on the tactile control, you'll be able to display the canon screen but not with view assist, you'd apply a lut in the Atomos to get the most true view. NO you can not record locally that way with the R6. It will give you a message tellin...
If you aren't going to be helpful no reason to keep repeating the same misinformation. That fact that it CAN export an hdmi video feed and keep the screen on is clear--however in this mode it won't record the internal cards (which for some is a deal ...