It's a long read and i am only part way thru
On August 14, 2019, DHS issued a different rule on this topic, Inadmissibility on Public Charge Grounds Final Rule (2019 Final Rule), which is no longer in effect. This rule implements a different policy than the 2019 Final Rule.
https://www.federalregister.gov/documents/2022/09/09/2022-18867/public-charge-ground-of-inadmissibility