[vgt]

It's not just about hardware and data centers. Google cloud offers a global secure high performance sdn, scalability, manageability, things like versioning and deployment tools, code debugging, world class security, and high speed of innovation, all out of the box, or even as intrinsic qualities transparent to customer.

By the time you build your infra (5 years was mentioned), Google would have iterated on their offering and their own network and data centers for 5 years.

(Work on Google cloud)