Weight was a big consideration for me so I got the A7cR over the A7R V. As for the megapixels, I find myself shooting in APSC mode half the time and the ability to switch from 61MP to 26MP quickly is great for my purposes. The A7C II wouldn't cut it resolution wise for me in APSC mode.
Yes, it’s like you are getting 2 camera bodies

: 1 FF with 61 MP and an APSC with 26MP. That’s what is pulling me towards higher MP.