No fucking shit.
https://arstechnica.com/science/2023/05/diet-sodas-are-not-actually-good-for-your-diet-who-guidance-suggests/
#BigMetaba don't give two shits about your health, only about fooling your monkey brain and ensuring you remain addicted to sweet shit and overconsuming.
Diet sodas are not actually good for your diet, WHO guidance suggests

Artificial sweeteners don't help control weight, and that's where the problems start.

Ars Technica