"When mad men like Mair and Osborne commit murder, part of the process of understanding their motives is to look at material that may have influenced them" (stress added).
Agree with that bit, Gromit. But not with this bit: "though that is not guilt by association, they do have blood on their hands". How is that supposed to work as a piece of logic?
But let's take your principle - "understand motives and influences" - in the case of Osborne, and take it one step further than the wise and the just thought necessary tb the time.
For days every, like every reference to Osborne by BBC, Sky etc. mentioned without fail that he'd subscribed to, liked, or got an automated message from the BF and the Tommy Robinson websites. Exactly these same "far-right influences" were mentioned constantly during Osborne' trial. I'm not wrong about this, am I? Anybody miss that?
Now let's take another fact which some might think at least equally relevant when exploring motivation. It was mentioned, but strangely didn't attract nearly the same interest as the "far-right" hypothesis. It was the testimony of his wife that her husband had become extremely angry after seeing the BBC program "Three Girls" about the gang rapes in Rochdale and their cover-up by the police and social services.
It's quite easy for some people, especially those with little self-control (Osborne was unemployed and an alcoholic, wasn't he?) to get very angry about certain types of crime, as I'm sure you'll agree.
So maybe the BBC program was a bigger contributor to the mosque murder than either BF or Robinson. Maybe the BBC, too, has got "blood on its hands".
PS: Tell you what, won't see any more programs like "Three Girls" on the Beeb, will we?