It can be both, Reduce the herd and Improve the chains at the same time. Add to it that all reproduction or even just >50% of people will need reproductive assistance then the herd is also at a controlled level.

Everything fits together to serve the same plan. We do it in our lives as well. Most people have a side gig they do for extra funds or they have a back up plan or at the least work at something from different angles. Why would this be any different?