It was in 2020 when he said that. I heard it from a YT video n after Google I found this:
This was the post
So yea if Shanks is making a move in 2021. I guess he will be stopping CP / marines then end game is not far.
Didn't Oda said Shanks will make a move by the end of this year?
If he shows up then Wano end might not be that far considering the fact that only big shots are remaining now.