Nation Hate groups declined in 2021, but fringe ideology is a ‘powerful force’ shaping US politics, SPLC warns March 9, 2022March 12, 2022 N'dea Yancey-Bragg, USA TODAY Comments Off on Hate groups declined in 2021, but fringe ideology is a ‘powerful force’ shaping US politics, SPLC warns The Southern Poverty Law Center found hate groups were less active 2021 but partly due to extremist ideas becoming more mainstream.