He has been laying the ground work for this since at least last summer to hedge against an election loss. He has been sitting baseless accusations about mail-in ballots, solve he knew Democrats would be more likely to vote by mail because they took the pandemic seriously. What was the "stop the steal" slogan supposed to accomplish other than create the overthrowing of the legitimately elected president? If he had legal ground he wouldn't have needed a slogan, but just won his court battles.