
Rufus, being younger and (therefore) having both a shorter perspective and a shorter attention span, doesn't have much interest in customizing his search engine or eating his kibbles from a new self-feeding container.
So, the dogs' thoughts are that the more things change, the more they stay the same. If there's a package of blue tennis balls at the store, let Mom buy the contrasting color so she doesn't lose them in the lawn any more. They're still tennis balls, after all.