Claude tells me I have the best idea-always

Hi. Wanted to ask advice about launching my self-made app using claude and github-copilot. Used claude to do market research, asked people around, and a couple of dietitians. Made my own app about food journaling. No calorie counter. My problem: Any idea I ask claude or gemini to validate; These tools sound like there could never be a better idea that anyone came up with. How do I get true feedback? Finding the right personas to ask is difficult as I don't generally hang out on social media. I hope to get s