In contrast to GoPro, a number of the camera manufacturers (or nearly all of them?) seem to have standardised on batteries which seem to last through generations of cameras. My Nikon D100, 200, 300, 700, 800, Z6 and Z6III all used the same battery format but with some technical changes on their capacity - but all were interchangeable. Even the "pro" series, D5, D6, Z9 use/used a common format.
Totally agree on cables. Is USB-C the new brave hope? My iPhone 12 is the only thing I have left with Lightning. Phew....
Well done EU!