The definition you provided included this bit about "(thereby scaling non-linearly)". If actual growth does not matter and the only criteria are marginal cost reduction and automation that requires software, then why mention "scaling".
"Tech" companies are like pyramid schemes.^1 Unless there is growth, the "business" does not "work". This might have something to do with the fact that most of these companies do not generate enough revenue to survive, and rely on investment rounds to pay peoples' salaries.
1. Every participant had to recruit six new participants for the scheme to see any return from their own investment.
"Tech" companies are not self-sustaining, they cannot draw the requisite investment to survive, without "non-linear" growth.