That secret sauce isn't going to last forever. Jan street's gonna find your alpha and leave you with none, so monetizing sooner rather than later is advantageous.
I think at the moment AI trading probably works a bit but the public stuff on youtube I've come across is terrible. On the other hand Quadrature Capital paid all their staff £2.8 million bonuses because they had so much money rolling in. Google's thing says they are a "secretive London-based, AI-driven quantitative proprietary trading firm".