[karmakaze]

> Even though neither Linode nor Vultr offer a CPU optimized tier, we wanted to test the options we would actually be using if we went with each provider.

This is the part that doesn't make sense. They basically chose one type from each vendor, before benchmarking. If there are clearly instance types at twice the cost and still lower than types from other vendors, the results were stacked. How can you see this any other way?