Blackmagic Raw Episode 1: Compression

In this episode 1 of 3 of our Blackmagic raw series we look at comparing the various compression flavours of blackmagic raw in the Ursa Mini Pro G2 (and the BMPCC 6k) to see if you can see the difference on YouTube in 4k from a 90+ GB 10bit Cineform file upload. 12:1, 8:1, 5:1 and 3:1 + Q5 and Q0. Which is best and for what situations?