Most of the graphs he shows actually inflect earlier, around 2010 or so. This is around the time the media to start systematically hardening its line on all things climate, and the "great awokening" that started flooding the news with claims the world was dominated by systemic hate and -isms. The two are related, both being ideological in nature.
The huge spikes in terms like inclusion, racist, sexist, climate change, global warming, etc is clear, all starting around either 2010 or 2012 (except for global warming, which spiked a few years earlier and then was replaced almost overnight in 2010 by the vaguer term climate change, which shows massive growth in the last 10 years).
A clear trend of increasing prevalence of prejudice related terms is apparent with words such as racist or sexist increasing in usage between 2010 and 2019 by 638% and 403% in The New York Times or 514% and 141% respectively in The Washington Post.
>> "should I just listen to a fat white man screaming on talk radio"
I thought that would be considered racist fat shaming these days, but I guess it doesn't count if the person you're offending isn't on your team?