A pernicious technique they use is the "Scientists are now learning" phrase. It plays right into the TED Talk/Gladwell template of "Everything you learned was wrong". No Boomer can resist the allure of this framing. They never ask themselves "Are we REALLY realizing this?"
He's been doing this Schtick for awhile now. Here's a clip where he's talking about how Sex and Gender are a spectrum and how chromosomes don't decide biological sex.
Leftist use institutional capital to push their ideology even if its not based in science.