I'm pretty sure America isn't collapsing any more than any other country is due to rampant corporate greed, climate inaction, political malfeasance, broken monetary systems, widespread oppression (especially of women). However, I feel that as a sort of microcosm of the world, America needs to solve the intractable problems of Corporatocracy and media corruption ASAP and our youth may be up to it.
The overheard conversation in Bofunk, Oklahoma has no bearing on the general population that lives in the cities. If anything, this type of racism is fading out but holds on stronger in the white rural crevices and back rooms of country police departments. It's all reinforced by Fox News which itself is under legal and FINANCIAL pressure to change its lying ways.
I think you meant since FDR, since Hoover was a Republican who helped cause the Great Depression and Crash of 1929. Biden is doing an amazing job and definitely deserves way more credit. History will give it to him.