I would go for an R5 because of IBIS and RAW, and 8k (for some special moments that I would need the extra zoom). And it look like more a picture camera for shooting in street without beeing noticed. Yes, it overheat but I would record the rest in 4k modes that let you continuing recornding. And maybe they fix that with a new firmware. And it’s cheaper and full frame look. ¿What do you think about that? Am I wrong? Does this C70 has more stops than a RAW R5? And if I need a cheapest camera I would go for a blackmagic pocket 6k that has not IBIS or autofocus but is amazing and I love the look of the image. Sony looks electronic, sorry.
You forgot to mention they said after talking the front cámera that you will be able to do hdr in video. This could be huge improvement in latitude nobody is talking about