I always thought that, out of the Clarke novels, “Songs of Distant Earth” would make a good movie adaptation. Rama may turn out unrecognizable after the Hollywood script jockeys have been through with it, as happened to Foundation. (I actually like the Apple TV version, but it’s definitely its own thing.) For sci-fi takes on truly alien first contacts, Lem’s “Solaris” still holds its own, and the Tarkovsky movie is i…
Counterpoint, I very much enjoyed the sequels (all but the last). They added three dimensional characters, especially women and explored a variety of aspects of first contact. They're a believable examination of how humans recreate the same social ills over and over, given the opportunity for utopia.
Maybe it's that whole sense of wonder thing. When you have no idea why this thing was built and sent here, it's easy to imagine it was something exotic, amazing, high and mighty, wholesome, etc. When it's revealed that the reason was quite ordinary and kind of distasteful to modern human sensibilities, it's kind of a let-down.