A few people are replying with links (of various relevance) but you are just saying “no” and claiming you’re being “super clear”. Some of the replies are directly contraindications of the claim:
If you drink regular soda today, you should absolutely look at replacing that with a diet varient without sugar.
Your counterpoint is saying they are “absolutely safe”. I don’t know whether you are right or wrong. It’s not anywhere near my field, but I can say I don’t find your rhetoric convincing.
Edit: I fucked up and pasted the wrong quote. I changed the quote to the one I meant.