It's awesome! It helps a technical-minded layman like me understand (probably like 1%) more about astrophysics. By far the most informative while still being entertaining thing about physics I've ever seen. Pick any video and watch it, they're great.
Mah, not a fan. They try too hard, and I've caught them talking about stuff that is no long accepted as part of the current models. Spacetime is like Ted Talks. Those on the in get a feeling of smug while not a lot of substance is communicated.