The culture of Athens differed from other Greek city-states by the way that Athenians valued knowledge and learning. Athens was also a democracy, unlike several other Greek city-states. Athens's main focus was educating boys and young men and for them to take an active role in pubic affairs.
They are not dismissing that there could be Jesus and Moses, this leads me to believe that they do have some level of respect for other religions, if they can "respect" one.
