Big companies have always been able to copy your project for pennies, relatively.
Now one could even envision a near future where they have agents running 24/7 automatically scanning for new SaaS projects and cloning them, and just throwing slop into the market to see if it sticks.
I wouldn’t worry about it anymore than you worried about it pre-AI.
than Oracle all of a sudden being able to figure out (with AI, magic, or otherwise) what users want.