I'm skeptical, too. But apparently OP isn't the only one using (or trying to use) "TensorFlow-Lite for Microcontrollers" on an ESP32-S3. See this (little bit of) chatter: https://github.com/tensorflow/tflite-micro/search?q=esp32&ty...
It's just the advertising page that sounds kinda unbelievable: low power, night vision, image analysis on the device, perfect for wildlife monitoring, can detect pests on crops (implying high resolution unless we're talking about deer and rabbits lol), etc etc.