He most likely presumed that (as in EVERY previous election) the vanquished party would be gracious in defeat.
You know...peaceful transition and all that rot.
I suspect that President Trump didn’t want to ruffle gracious losers’ feathers more than absolutely necessary
The raising of THIS issue on Day One would have ruffled them A LOT.
Now that he knows them to be beyond redemption, President Trump might just as well implement all aspects of his campaign stump speeches ... each in its own special time and under its own special circumstances.
Decorum and political niceties be damned
The Trump Train is about to shift into a whole new set of gears
I can only hope and pray you are right!