Exactly. I try to explain that all those things—platform, operating systems, applications, communications—are commodities.
You don’t own your own power plant, even if you use 100s of kilowatts of electricity a day. Let those who do produce power concentrate on doing so and at a massive scales; we all buy some as we use it.
Bingo. You definitely get it.
Power (generator manufacturing/maintenance/fuel delivery/wiring to the panel, etc). Connectivity. Disaster containment.
No company is an island. Hell, some countries aren’t even islands. The US imports 98% of its CPUs. Having your own servers in your own data center doesn’t protect you from a spiked hardware supply line. (announced last week China was tampering with serverboard chipsets)