You have evidence that farming 10 billion+ kangaroos (it would probably have to be closer to 15 billion, based on the weight differences, ~200 lb/roo vs ~2000 lb/cow) can be done without any compounding burdens, e.g., land use changes, increasing the CO2/kg?

Are there a lot of studies in industrial-scale kangaroo farming? I'm very much interested in evidence on how we could sustainably manage and farm tens of billions of animals to feed a global population at today's levels of meat consumption.

If you're comparing the footprint of wild caught kangaroos with industrially farmed beef you're comparing apples to oranges. One cannot be a substitute for the other because they exist on tremendously different scales. Unless of course you have evidence on how we manage wild kangaroos to feed 7 billion people. If you do, please oh please share. I am definitely interested in the evidence!

In not disagreeing with what was presented, that wild caught kangaroo is lower carbon intensity than industrially farmed beef, I'm only disagreeing with the clear implication of that statement and its context; that we could somehow swap one for the other and not have to change our levels of consumption. So please, show me the data on global-population-feeding scale kangaroo farming, I'll retract my previous statement and issue a formal apology in the Australian Times.