Radical flank effect

https://en.wikipedia.org/wiki/Radical_flank_effect

The radical flank effect refers to the positive or negative effects that radical activists for a cause have on more moderate activists for the same cause.[1]

According to Riley Dunlap, the idea of a radical flank effect "has a lot of credibility among social-movement scholars".[2]

Photo: https://wagingnonviolence.org/2022/12/radical-tactics-arent-hurting-climate-movement-research/