From your own source:
Seems like he's hinting at something there..."You don't really know what's in someone's mind and so it may have some relevance, but for the most part the real question should be: Are you allowed to attack someone from behind in their yard when they are out mowing their grass? Even if you dislike something about their yard."
Also:
https://www.washingtonpost.com/polit...=.40c59bd45ca5
“There is absolutely no political motivation behind this,” said Boucher’s attorney Matthew J. Baker. “It all stems from maintenance, or lack of it, at these two neighboring properties.”