[9x39]

Automation isn't foreign to the topic. There's some discussion here that refrains from estimating too hard, but I think it's closer to outsourcing's effect:

https://www.stlouisfed.org/on-the-economy/2024/jun/worker-sc...

Outsourcing and automation both reduce worker leverage, which reduces wages, which could explain reduced labor share. I'm not sure how one would weight it all.