The article is simply saying that with the growth of IT, change is getting harder (existing landscapes have inertia), something the top is slow (if at all) to a

The article is simply saying that with the growth of IT, change is getting harder (existing landscapes have inertia), something the top is slow (if at all) to accept. That makes the role of the person trying to explain that (and why) change is getting harder a more frustrating one.