English Dictionary

purity spiral

noun

The situation in which members of an ideological group become increasingly zealous and intolerant, eventually turning on other members.

The purity spiral in the online community has led to extreme ideological polarization.

意味（1）

The situation in which members of an ideological group become increasingly zealous and intolerant, eventually turning on other members.

[T]he American right has been caught in a purity spiral — a form of vicious circle in which successive elites compete among each other over who is the “true conservative.”