Why luxury dog houses became popular?

Every dog owner wants to build luxury dog houses for their dogs. Dogs are the one of the commonest types of pets tamed by man since times immemorial. People love their pets and having dogs as pets is very much entertaining. Most of the dog owners, look their pets as a part of their family and hence will try to give better  facilities for them, to make them feel comfortable. As a part of it, they will give much importance for dog houses. These dog houses can be made using different types of materials. But among all those available materials, wooden ones are the most preferred ones. There are many cutting edges for wooden made dog houses over its counterparts.