Yeah, but this guy wasn’t “lots of other sovcits”. He was this guy who took it way too far and suffered the consequences of his batshit ideology in a very predictable way. He did not commit his actions in a vacuum— he followed a very specific script of escalation in accordance with sovereign citizen ideology, and that is what is to blame, for it’s that influence which is undoubtedly what led him to this very predictable end.
The article (which I quoted) spells that out very clearly and unambiguously.