Even though gaming isn't the ideal workload for the Optane SSD 900P to show off its performance, Intel is marketing the 900P to gaming enthusiasts.
"Gaming enthusiasts" are usually stupid underage people with a big parent's wallet to spent money from.
Therefore the ideal demography to sell useless products to helping funding costly fabs for a new memory technology.
Gaming isn't even a SSD workload as long as current generation game consoles come with slow-ass mobile hard drives by default.