and you can learn a lot from being a member of the global proletariat.
seriously, it's not that big of a deal. the people of Gaza are standing up cuz they have the shared experience of being oppressed by settler colonialism, those who benefit from colonization have zero incentive to oppose it.
If you are homeless, then you have certainly suffered from exploitation, and still are in America.
America has a big lumpen population for a developed nation thanks to late capitalism yes.
It also has a massive PMC class that acts as a buffer to any radical activity. And even the actual workers still get a lot of nice treats to keep them pacified thanks to imperialism.
So do "underdeveloped nations"
They don't have a massive PMC class
Err, a lot of Latin American countries especially have what you describe.