Depends on how it collapses. Technically the current president is collapsing American soft power already. He can't run the government competently which helps to accelerate the collapse. The problem for people living in America while this happens is things will get very bad as it increasingly represses it's citizens and the class divide will only widen. I do think the collapse of american hegemony is still worth it though for the rest of the world. Regardless of how much we hate the current president we have to admit he has done things liberals absolutely would not have done (dissolve USAID, tariff all countries (this makes other countries adapt and become less dependent on the US), destroying the ability of the us to get rare earths by engaging in a losing trade war with China.) I mean I absolutely hate him but technically he has done more to desolve American hegemony than any other president in history (probably by accident).