You've been told that Trump and Musk are Nazis for almost 10 years now. Drip-fed for ten years as the "evidence" of your eyes and ears.

It turned out that in the late 2010s, the "party" wasn't a monolith. It was every identikit left of centre news organisation saying exactly the same thing in lockstep for years. And then finally the newest "evidence" appeared and so everyone thought "I knew it!" When in fact they didn't know it. They just believed everything they saw and heard on a television screen.