From the social evolutionary perspective, we should encourage others to continue on in the advancement of science, SI, capitalism, and liberal democracy. Because the US can fall at the hands of radicalism. But at least the features of what made America great survives elsewhere.
The West is fighting three issues:
1. Socialism
2. Doomerism
3. Radicalism
More often than not, people are infected with all three at the same time.
The future of the West will be defined by how successful these ideologies are in influencing young people.