Years ago I saw a post explaining various companies' segmentation strategies, and I think it still holds true today.
Canon have always made cameras that lack one specific major thing that you take for granted on other cameras at the same price point, apart from their very top models. This is why they have the cripple-hammer reputation. There's always ONE thing that's just a disappointment. For the C70, I'd say it's the EVF. For the R5, obviously, it's the recording time limits.
The one time they neglected to do that was the 5D Mark II and they're still dealing with the unexpected co