I disagree. It seems he might have died fighting for a cause. We might do well to serve his memory by thinking about and understanding his cause. To do otherwise would be to admit that we can change nothing.
HN allows you to post and create new topics. Maybe leave avenging and figuring out the details in a separate discussion?
How about remembering something nice about him or about Debian or other stuff that's not about the exact details how he died (which it seems nobody here is 100% sure of and just goes by twitter posts, and Reddit discussions).