I understand why you’d think that because we’re all inundated with American culture no matter where we are in the western world. But that’s just not true. There are plenty of interesting groups who celebrate cultural identities not based on the country they live in.
A web search uncovered German-Brazilians and Italian-Argentines for me, I’m sure there are many many more.
His administration is hopeless at messaging anyway so no one has known nor will they know anything Biden has done.