The Great Replacement Theory might be racist, but the underlying demographic changes that scare people into believing this conspiracy are actually very real. So is it racist to want to remain in the majority? Depends on who you ask!
Source: New York Times Infographic (based on the book Whiteshift: Populism, Immigration, and the Future of White Majorities by Eric Kaufmann).
Source: Vice On Showtime (S03E13, Segment: The Replacement)
You can't just accuse almost half the country of being racist without alienating at least a few of them! Not everyone buys into the woke version of events.