That the people were hungry was significant; but they'd been hungry before. While a contributing factor to unhappiness and revolution, it can't be considered "more important" than the financial challenges that compelled the Louis XVI to call the Estates-General into session for the first time in the better part of two centuries.

That's the judgment of most historians now, and it was the judgment of people who were there then, like Talleyrand, who saw the Revolution as the confluence of enlightenment ideas fanned into flame by incompetent fiscal administration, blaming

les ministres inhabiles qui ont augmenté la détresse du trésor et le mécontentement du peuple.

[Tr. "incompetent ministers who added to the distress of the Treasury and the discontent of the people"]