TLS 1.2 doesn't provide forward secrecy. So with quantum decryption third parties will be able to capture and eventually read your poo reports. And when this company goes out of business, as most similar startups do, someone will buy the data and spread it over the web, as discussed by people like Cory Doctorow. These reasons are why local AI and open algorithms are so important.
The US start-up Throne has developed an AI-supported toilet camera that analyzes stool and urine samples and informs users whether they are drinking enough or how their digestion reacts to certain foods.