"In short, McConnell recognized that the modern filibuster introduced a serious flaw into the code of American democracy. Far from fostering compromise, the current filibuster has given a unified minority party every incentive to block legislation, no matter how many Americans support it."
This is a good summary of the problem with the filibuster which still isn’t widely known. That’s why it works so well at blocking progress without blame where the filibuster still applies.