He was a young man still finding his way. Even accepting the fact that he had conservative leanings, that doesn’t preclude the possibility of him doing something to lash out at his parents particularly if that something involved causing the death of a prominent “conservative” his parents hold dear. My presumption is that his conservative parents were strict and overbearing, which isn’t a stretch based on my own experiences.
OK, so the signs were in his family’s yard. This means his parents were supporters and the kid grew up w/ conservative parents. My guess (and this is just a guess) is his actions were in part a rebellious act against his parents.
Not sure if you are in the US or not but just so you are aware, the United States Patent and Trademark Office (USPTO) will not issue a copyright to AI generated content. I don’t know what the laws are outside the US, but other jurisdictions may be similar. The upshot of this is that while you may try to sell AI generated content, you will not be able to enforce any sort of copyright on it, at least within the US and possibly other countries. Many (those whose countries don’t recognize copyrights on AI generated content) will be able to take what you post/sell and sell it or use it as their own without having to pay you anything.
My guess was based on knowing that his parents were likely conservative (owing to the signs in the yard). In my experience conservative parents are often stricter than more liberal leaning parents. If that was the case here then knowing he was bullied and denied being on the rifle team, I can imagine that things weren’t exactly chipper for him in the family home either.
My guess was, of course, just speculation. However, I would urge whoever is investigating his actions to look into the family situation to get a better picture of what might have motivated the young man’s actions.