Seriously Bowler Hat Guy is a great villain, not for his villainous schemes but because of who he is. He might be the first Disney villain we meet as a kid and the first Disney character to go from supporting character to villain.
Goob became Bowler Hat Guy NOT because he was always evil. He became BHG out of loneliness, desperation and sadness. He was left alone all those years at the orphanage, seeing his only friend become a great man. Its almost heartbreaking to see.
And at the end when he walks away from the Robinsons looking pensive as Louis reads the question mark in BHG's unicorn binder... Its a very subtle way of punctuating an already dramatic character.
Then there's Louis' search for his mother, which is the whole theme of the movie. Some say that the film nearly achieved Pixar's storytelling appeal. But to me, Robinsons is a pure Disney film. It had an outcast character trying to make a big difference in his world and wishing to find a place to call home, and discovers it by going through an unforgettable adventure with vivid settings and great characters.
That just reeks of Disney to me

Oh and it was GREAT seeing a Jetsons like future in films again. The theme now is showing a dystopian future destroyed by war and man's own greed. We've grown so wary of the future that we think of Earth being destroyed first and a bright future has become a silly thought (something even PIXAR is guilty of...).