There are quite a lot of countries where the poorest 10% are fucked. The US isn't unique in that respect
A lot of countries are struggling to hold their heads above water at all, after the Covid apocalypse; the fact that by almost any metric you want to choose, the US is actually gaining right now puts it in an enviable position given what happened
The fact that the average worker, and the poorest 10% worker, are both making gains of significant size when usually they are the first ones to get fucked even harder when times are tough, is notable, and "we haven't fixed things for them yet or even close to it" doesn't negate that