Thats the exact point. Why pay for all flash in a storage system when the costs don't justify the usage. The article is pointing out that our applications don't

Thats the exact point. Why pay for all flash in a storage system when the costs don't justify the usage. The article is pointing out that our applications don't use all of the storage allocated to them. Thus we really don't need a one medium for all but rather a tailored approach based on your workloads.