The capital is finite; it is imprudent to consider a laboratory test bench for 250 S&P 500 assets as sufficient evidence for large-scale capital management.
The time to validate these technologies is limited and we cannot ration our resources on unproven methodologies.
For example, Chinese markets require an understanding of political signals and the liquidity of the PBoC, factors absent from this modeling.
A 64-qubit system is an excessive simplification that ignores the thousands of instruments and liquidity constraints that can suddenly appear.