The greatly reduced lifespan of the Aorus is due to the TLC memory technology used. Optane, on the other hand, is designed for better latency and long life.

A simple overview of what makes up the memory technology used can be found here:
https://en.wikipedia.org/wiki...

For comparison, since it is not listed in the table: In terms of life expectancy, Optane is around SLC. However, exact figures would still have to be determined.