Yes, but it doesn't mean they can't be very happy. Dogs are pack animals but for many, living with an active human family is a reasonable substitute. Is living in heated houses with TV's and hot water a natural environment for humans? We deal with it though ;0)
This is our environment now as we have evolved,let all the pets go and see how they evolve,maybe they will end up making themselves more comfortable in some way

They have no choice but to deal with it really do they?
The problem is the old woman who keeps a lone dog for company but sits watching TV all day and only lets the dog out to the back green for a pee now and then. Yes, she loves her dog but what life does it have? Nothing to do all day and night but lie about and sleep. That's what I mean about people claiming to be animal lovers when it's really their own needs and wants they are thinking about.