While some animals prefer cleanliness and tidiness, others seem to be pigs at heart — and this particular golden retriever is the exact embodiment of this. However, for some, the pup resembles a fluffy croc swimming in dirty water.
Maybe, at times, there is nothing wrong with allowing your pet to get wild and become dirty. However, if that becomes a habit, then it would be close to impossible to maintain cleanliness in a house which a human and dog are sharing.