Even if it isn’t that… that’s not how you change your position on something.

The normal way would be:

1. Admit that you are changing your stance on something (Zelensky is not a dictator, even though I previously said he is)
2. Refer to something that changed your position on the matter (“When I said he is a dictator, I did not know that…”)
3. Explain how it changes your view (“This new information has convinced me that…”)

But saying “Oh, I said that?” is just… dumb and pathetic. Not that it’s surprising, coming from him.