My kids grew up with outside dogs, we live on a farm, so the concept is not foreign to them. They know the outdoors will not harm them.
I also have a heated & air conditioned shop with concrete floor that they can overnight in, in a cage, if temperature is too extreme one way or the other.
My biggest gripes are; leaving them to wander the house freely while sleeping or if the kids choose to leave, the surprise poop and piss on the floors, and dogs on my furniture.
I'd rather they weren't indoors at all, but can tolerate it if the above items were policed.
This nonsense of putting dogs as "or equals" to humans in terms of feelings, how they should be cared for, etc. is ridiculous. I've been around dogs pretty much since birth, always lived in the country, and we never had an indoor dog until my wife got one a 15 years ago. I liked that dog, but it's dead now and I'm glad to rid of the hair, poop, smell, barking, boarding, etc. that goes along with indoor dogs. If we get another, it will be an outdoor dog, they seem to be happier and healthier anyway.
Don't know where it came from, but my kids and their cousins seem to think the "in" thing now is to have indoor dogs that go everywhere with you?
Looks like a total pain in the rear to me, especially when you want to travel and go places.