It is almost universally accepted among vegans that consuming roadkill is morally permissible. He is creating a strawman when he argues against supposed vegans who believe that the mere presence of meat is murder. You cannot honestly extrapolate this position from someone for simply using the term 'meat is murder'.All he is actually saying here is that vegans need to express themselves more correctly. But I seriously doubt that anyone who interprets 'meat is murder' the way he has honestly believes that this is the argument vegans are making. Clearly it is merely a PR slogan and not meant as an exhaustive moral position. It is dishonest to pretend to not know that when vegans proclaim 'meat is murder' that they are saying that the slaughter of animals for situations other than when survival necessitates is equitable to murder.
When he did acknowledge the actual vegan position that slaughtering animals is murder, he attempted to argue against it by quoting a LEGAL DEFINITION. Which is obviously a joke coming from an anarchist.