Perfectly legal there maybe.Perfectly legal but no less sad. Pathetic behaviour. More people on the roads need to mind their own business.
But in breach of GDPR here, unless of course he is registered as a data controller and has the consent of those identifiable individuals he is filming in a public place.
Further, if he subsequently broadcasts the data (which he obviously did otherwise we wouldn’t see it), he’s definitely in breach here in Ireland. Unless of course a crime is being committed or the individual has consented for the footage to be broadcast. The definition of a “crime being committed” could be the tricky one here for the ignorant cunt brigade.
The road rage content seekers may genuinely believe that a crime is being committed but that may not be the case.