Earlier quoted context omitted.
Dogs have lived alongside humans for millennia. They're genetically engineered animals (in the oldschool way - by breeding and selection, not in a test tube). And we've bred them largely by rewarding their ability to interact with us. Dogs are obviously quite artificial species in that sense
That's a good point. They've definitely been bred for their ability to communicate with us. I know it's a bit tangential, but I do like the fact we have a kind of sister species in that way. I sometimes wonder what it would be like if our ancestors had instead domesticated another animal to that extent (besides the cat, I suppose). In an alternate universe, maybe we'd have smallish bears as trusted companions :-)
Some people have even in this universe, but not so many, because they are not easy to handle. And back then having pets, was not so much a hobby - but the dogs were useful for survival. (guarding and hunting)