Yeah, not seeing anyone who is saying the camera on the Mavic is better than the P4.
Certainly not seeing any evidence for this.
Official DJI Mavic ***Owner and Developer'sThread*** - Page 129 - RC Groups
Official DJI Mavic ***Owner and Developer'sThread*** - Page 73 - RC Groups
Official DJI Mavic ***Owner and Developer'sThread*** - Page 63 - RC Groups