Greenliant is sampling a new high-reliability SATA 6Gb/s ArmourDrive EX Series products to customers that need ultra robust data retention, ultra high endurance data storage capable of operating under... Greenliant ArmourDrive SSDs Reach 250,000+ P/E Cycles (SLC)
Might be appealing for home NASes, where you don't have the money for SAS or a hefty RAID setup but you don't want to put your important stuff on cheap drives with questionable reliability.
Yes, for most important personal things. Definitely not for storing movies, audio or anything one can retrieve online. But thing is that having that many writes asks for actual heavy write related workload where higher price of SLC would be justifiable in comparison to MLC/TLC. Maybe that M.2 Thing as some heavy use cache.