IIRC the circulating of doubles happened long before that.

Remember the different Hillaries getting sick and having MKULTRA freakouts with the mysterious big black Doctor acting as handler?

I agree that the Side of Beef Hillary is dead, but we don't know how many there were.

Remember that Greensboro NC rally where it was just a Hillary on a green screen?

The overlay of audience members had them recording with their phones but none of the audience's screens matched what they were pointing at. And then the podium image feed glitched out while the background remained, showing that it was a composite image.