Yeah I got that impression as well. It's interesting that they were presented with the situations to imagine and react to, we were told at a community event in previous years that when Marv Albert and Steve Kerr were recording they'd play real game footage of moments that would be possible in-game so they could react accordingly and record dialogue that had more of a natural feel to it; at least, that was the intention. Having them in the booth together seems like the best way to go regardless of how they're getting reactions.
I understand them calling Mike Breen the best play-by-play guy in the business, though in real life at least I'm still partial to Albert as he was the voice I grew up with. I've come to really like Breen's work though, I go back and forth on Jackson and Van Gundy but it's definitely the right call to have them in the game and make proper use of the ESPN license.