Vasectomy and Bite

There is something in vasectomy that is known to most people other than me. Consider the activists for animal rights. They are against killing stray dogs, even if they (the stray dogs) are a menace to people at times. I have been horrified to read in newspapers about children being bitten to death by packs of stray dogs. The civic body spends a chunk of money on administration of anti-rabies vaccine to victims of dog bites. But there is legal protection to the dogs. They cannot be killed. I wish there were activists demanding enforcement of such legal protection to fellow human beings. I don't want the dogs killed, because I am not in favor of killing anyone. But the measure recommended by the activists and court, and accepted by the civic body is to sterilize the dogs. It is beyond me to understand how it helps.
"The idea must be to sterilize them all, so that they will not procreate and one day become extinct" said a friend.
"But that is not right" said another friend. "It is against nature to make any species extinct. Privately owned dogs are so few, that it will be an endangered species in no time, and will be extinct sooner or later."
"No. That is not it" said another person. "The dogs who have been sterilized lose their bite. That is the mechanism of protection of humans from them."
"Huh...?" said the first friend.
I looked at the theorizer, and suddenly realized that was the truth. Vasectomy makes one lose his bite. everyone knows about it.
"Now I can see it" I said. "That is an accurate theory. That is why men shy away from a vasectomy. When you mention it as a method of permanent contraception, not only the man, but also his wife and mother suddenly clam up. Who would want the man in the family to lose his bite?"
:-)