Wouldn't you miss the 5am wake up calls of a cold nose on your feet as they hang off the end of the bed? Or miss the opportunity to impress and pick up women or men at the park? Maybe the chance to teach your faithful companion to fetch you a cold one out of the refrigerator?
Its all about modern technology and what we rely on the most, and YES you are able to take your laptop for a walk. But at least it won't take a dump on your new carpet.