Science has long told us that enriched environments creates animals more highly adapted to cope with higher levels of stimulation.
I saw the reverse of this in a population of government bred detection dogs who had daily changes in their play pen. Their stress did not come from an environment that was too challenging, but when one day the staff was too busy to build them something new and the pups were left in an empty pen. They cried from stress.
So you must consider the goal behavior for the dog as a working adult. That will probably be a combination of being in a highly active and distracting environment, as well as, down time in the calm of their kennel. If you want a dog to live in both worlds you must make sure they build the habits needed for living in different environments.
You can see the impact of different rearing strategies in the new video on the Environmental Stability tab labelled Comparing Two Puppies.