Even given that, I don't see any reason I couldn't also just mimic what QQQ does with the MCP.
I am in the "false confidence" stage of Dunning Kruger Syndrome for finance stuff, so I personally would do swap agreements, but I'm not an average case.
Still, as you said, just mimicking regular QQQ is achievable.
You also don’t need AI to do this. Before AI, the main barrier to direct indexing was the amount of capital you need. That is still true.