Looks like he just put the band back together for the campaign finale. Same rally crew as 2016 after Corey left. She must know what she's doing, as does Dan.
Dan and Hope must be pretty close to family status at this point. Hope started with Ivanka, then moved over to POTUS in 2015.
Lefties can say whatever they want, Hope's presence is worth much more than the minimal damage such rumors will bring.