I can't tell if you're being serious or not...

He designed and built the system. It's not a question of how many calories he burned, but the difference between creation and consumption.

OTOH, he's mostly doing consumption now, after the initial creation.

Now he's creating a hole. He has to plan and make decisions at every step of the way, his will guides the progress of the activity, in contrast to TV which is a passive. I'm not making a value judgement based on the relative merits of the two activities, but the distinction still exists.