Would things like “dimensionality reduction” and other cutting edge ML techniques at least help? As in, help you become a better “manual” quant researcher or he

Would things like “dimensionality reduction” and other cutting edge ML techniques at least help? As in, help you become a better “manual” quant researcher or help you develop shitty (relative to RenTech), but still profitable strategies? Do you have any other keywords? “Learning from few examples” comes to mind...