“It has been said that astronomy is a humbling and character-building experience. There is perhaps no better demonstration of the folly of human conceits than this distant image of our tiny world. To me, it underscores our responsibility to deal more kindly with one another and to preserve and cherish the pale blue dot, the only home we've ever known.”
We do have a number of great communicators out there, many are Youtube channel creators. They just aren't as likely to get to the majority of regular people since someone would need to start looking for answers to trigger the algorithm.
Some of the best Sagan public moments were on the Tonight Show with Carson. And Carson being a great host knew when to shut up and let a guest talk, but I think when Sagan was on Carson shut up because he was fascinated with what Sagan would say.