Original sentence: The song's title and refrain imply that the frenzied and troubled state which others were criticizing had been the state of the world since long before his generation's time, but that this was being ignored by their critics
Edited sentence: The song's title and refrain imply that the frenzied and troubled state which others were criticizing had been the state of the world since long before his generation's time, but that this was (perhaps willfully) being ignored by their critics