Are you kidding? The ensuing baseball sign exchange between Obi-Wan and Anakin was ridiculous.
They could have cut that part out. It's just that her death made sense on why there was a seat suddenly available on the council and neat knowing that Palpatine had ultimately arranged it.
Plus the fact that it would have made Grievous a bona fide onscreen Jedi-killer that he was supposed to be, instead of hoping that people watch the CW cartoons to get that.