I think it was the right move, even if they knew then the main core had blown, it is too easy for the naysayers to make that the story. Taking away from the real and powerful narrative SpaceX must tell. That for the first time since the Saturn V we have a rocket powerful enough in active service to take us to the Moon/Mars, at a 1/3 of the price of the next heaviest lifter.

Also, as she starts saying "We are waiting to hear what happens", he says "Scratch that...".

I felt like they were trying to redirect people to the main site for more information. I think the presenters were instructed not to give people more news so they could gain more traffic to their site. Seems like a smart way to gain more interest.

in the background you can see the feed from the drone ship - they see that it comes back on and the smoke is clearing but there's no rocket. They were a bit surprised. :)