What a giveaway!
"If business model includes non-revenue"
Talk about dinosaur outlooks. Of course non-revenue contributes to the business model. Being perceived as trustworthly, reliable, or just plain Not-IBM, is important to anyone's business model. To say nothing of social factors of the "high tide floats every boat" type.
Not that it matters at this point; RedHat was doomed the moment IBM touched it; it's just a question of how long the life support will be left on now.