Not sure how I see this as 'raising the bar' of journalism.

Like it or not, the guy's 'manifesto' is news.

Journalists' role isn't to be the arbiter of whether or not
the killer 'deserves' the resulting attention. The fact is that
the document exists and provides insight into a phenomenon that
has affected a significant number of lives.

It seems to me that when journalists decide NOT to present the
full facts in a dispassionate manner, they are lowering, not
raising standards of journalism.