1. i have sigs on ignore, so no, i have not seen your sig
2. you are essentially bypassing the constitution by making it a requirement that anyone who 'bears arms' have training. that is why i believe you do not like the constitution. there is no requirement that anyone 'bearing arms' have police training, however, if they are going to 'patrol' their neighborhood while armed, they should have the equivalent of police training in when deadly force is permitted and when it is not (i am assuming that you live in ca)
3. 'combat' crime - the guardian angels do the same thing, but your beef is that they allegedly don't bear arms. that is truly sad on your part don.
neighborhood watch groups have existed in ca for some time (i live in a neighborhood where neighbors know each other and watch out for each other), but said groups watch and report and do not make arrests or carry firearms - they watch and report
4. in my community, as yours (we are practically neighbors don) there is no requirement that those who bear arms receive training. so, if anyone in my community were to do what these guys in oregon are doing...they would not be violating any laws.