On one hand yes, but also a big company can now potentially copy your project for pennies and have far bigger outreach and marketing so they eat your market.
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.
than Oracle all of a sudden being able to figure out (with AI, magic, or otherwise) what users want.
I wouldn’t worry about it anymore than you worried about it pre-AI.