The title sequence was the best part

It certainly "launched" the movie with a sense of suave, funny, thriller-ish hipness.

Given that this was a movie largely set in the sixties, the sequence at once conjured up the Saul Bass credit sequences for Hitchcock and Preminger movies -- and the Pink Panther/Peter Gunn hipness of credit sequences with Henry Mancini scores.

Also...it goes on forever. Opening credit sequences could get very long in the 60's...that's why eventually more and more credits were moved to the end.