No, If done humanely. I could not shoot my own dog but could and have shot others that were killing/chasing my stock.
On another note I would think this guy is probably sitting on the freeway on ramp when not pulling this crap on craigslist. People are pretty brazen when it comes to begging. I...
The guy most likely will not shoot it but would take money from the person who thinks giving some to him will help. I am thinking more and more it is a con job on animal lovers. would not be the first I have heard of. Call the guy if it really bothers you that bad and see if it is for real.