It's been classed as an IARC Group 2B suspected carcinogen, this is new research (2023).
https://www.who.int/news/item/14-07-2023-aspartame-hazard-an...
https://www.ewg.org/news-insights/statement/2023/06/widely-u...
https://www.who.int/news/item/14-07-2023-aspartame-hazard-an...
https://www.ewg.org/news-insights/statement/2023/06/widely-u...
But you just threw that in with Agent Orange. I declare this a canonical example of someone with an axe to grind.
> The committee therefore reaffirmed that it is safe for a person to consume within this limit per day. For example, with a can of diet soft drink containing 200 or 300 mg of aspartame, an adult weighing 70kg would need to consume more than 9–14 cans per day to exceed the acceptable daily intake, assuming no other intake from other food sources.