<em>Well, for one... Louis the XVI was considerd ineffectual because he was usually depicted as rather a weak sort of king. Not really able to wield the strong centralized state in which his ancestors had crafted.</em> <em> *And he was also seen as an honest man, who had good intensions, but who was most likely unfit for the strong task of reforming the monarchy; He basically wasnt the best man for the job... </em> <span><em>~Therefore, He was ineffectual, just like the question states... </em><em>~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~</em> <em>~Hope this helped! Anymore questions, please feel free to ask. :)</em></span>