It's tempting to just say, "why can't they all be like the Spock we love", but that's a non-starter.
But take Saavik. Not arrogant. If anything, she's compassionate. Then there is Tuvok and Sybok, neither of which demonstrate superiority complexes when addressing humans. If anything Sybok treats Kirk with respect.
Somewhere along the line that all got lost and the writers decided to make Vulcans believe themselves better than humans.... and that's more to the point... we don't see this snobbery directed at other races... just humans. Hmmmmmmmm
Saavik tends to blend into the woodwork for me. Ally gave her some oomph. A willingness to talk back to Kirk and question him. But Curtis was the first of the cookie cutter Vulcans.
Tuvok came pretty late in the game. And he was the first Vulcan regular since Spock. He does seem to get really irritated by Neelix.
Sybok is an atypical Vulcan. He is a bit arrogant with his give me your pain routine and search for God obsessions.