1. He was influential in a influential circle of people who roughly speaking drive what gets discussed and shown to a wider audience. In a favourite-band's favourite-band sense. His jubilee video just recently got 31 million views on youtube and probably a billion more on tiktok and reels.
2. If he wasn't killed by some nut who thought the flying spaghetti monster told him to do it then this is a really clear example of online politics and discourse jumping violently into the physical world. That's a real vibe shift if I have it right that it's basically the first assassination of that kind.
It wouldn't shock me at all if the driving topic here was actually gaza rather than domestic politics.