My 15 Pro Max is taking some of the best photos of any iPhone I've ever owned and I just move up from 14 Pro Max. Often, people (not accusing you, specifically), don't understand the difference between the cameras and how to get the best results from them. What camera did you use? In what lighting conditions? Did you use your finger to put the focus on the subject you were taking? Yes, these are point and shoot. But you, the photographer have to use the right camera for the scene you're photographing and take into consideration, the available light.
There's an old saying. "It's not the camera that matters, it's the person behind the camera taking photographs."
Perhaps reading this support article will help you better understand the photographic settings and options available to you --> About the Camera features on your iPhone - Apple Support