> To be fair to Amazon the author should have spun up 100 instances, benchmarked them, and used the fastest one. This is a best practice for AWS. Why choose th

> To be fair to Amazon the author should have spun up 100 instances, benchmarked them, and used the fastest one. This is a best practice for AWS. Why choose the fastest one? This would be the least accurate way to give an indication if the performance of AWS instances. A mean, or perhaps median depending on the skew, would be a better choice. Unless you're saying that the benchmarks on the other servers are effectively cherry picked best results.