But the results have been dramatic. The company once had
  200,000 servers and roughly 60 data centers. Now, it's 
  pared that down to 70,000 servers, of which 8,000 are 
  handling the bulk of the load. And they've more than 
  halved their data centers down to 23.

They say they save 25%-30% over the cloud, which is to be expected since the cloud has a profit margin. They also say that might not last.

I'm going with clickbait title. Nothing to see here other than someone getting a temporary savings which we will see as a write off in 5 years.