This is for sure just an LLM running sentiment analysis on the reviews and sending this prewritten email to anyone who left a review it analyses as being negative.
It was the "several pieces" part that gave it away. Implies a negative which an LLM wouldn't do in this context. It would be like "a few pieces" even it really was "several".
You can install a full Linux distro now. At a high level it's basically like WSL2 for windows.
I had to do professional software development work on one at one point. It was completely cursed but it worked.