I can easily imagine the policy started like this, and multiple dogs having died in the hands of the Wag service, but over time by gradient descent they slowly

I can easily imagine the policy started like this, and multiple dogs having died in the hands of the Wag service, but over time by gradient descent they slowly tested moving to greedier and greedier policy as long as no scandal arose, such that most people felt powerless and grudgingly took the little on offer. Until they encountered this principled owner!