Your choice of language is interesting. Regarding the WHO, if they banned artificial sweeteners from the start would you have suppored this unilateral process? "They let" indicates that you beleive the WHO does or should include a degree of power over every-day life.
So sure, consume "whatever the f*: you feel like knowing that either way you will be receiving "sciene based" communications from interested parties supporting that behavior.
There exists an International Sweeters Association, that has been against these efforts since it's inception 35 years ago: https://www.sweeteners.org/latest-science-post/the-who-recom...
https://www.sweeteners.org/about-isa/
Which shouldn't be a surprise given the Sugar Association is 80 years old: https://www.sugar.org/about/history/
So sure, consume "whatever the f*: you feel like knowing that either way you will be receiving "sciene based" communications from interested parties supporting that behavior.