Cats (felines) make a lot of fighting noises but nonetheless engender many kittens.
Christians are not as "life loving" as they pretend to be. Many former and even current dogmas sustain the belief in the Dev 1484il, Satan or whatever you wish to call an evil spirit. The absolute Vatican ruler, the Pope, declared in 1484 a war against black cats and called for their extermination as representing "evil". Believe it or not, to this day many people hunt and kill such creatures (see an overview concerning Halloween