"We started off this article making it intentionally limited in scope as we weren't expecting, in a OS that doesn't support TRIM, to find anything all that interesting. What we found was the exact opposite: an OS that doesn't appear to be affected by SSD performance degradation [...]"
an OS that doesn't appear to be affected by SSD performance degradation
That may be true, but there isn't enough information in that article to tell. I think their other theory — that the Samsung SSD is essentially pre-degraded — is more likely to be correct.
"We started off this article making it intentionally limited in scope as we weren't expecting, in a OS that doesn't support TRIM, to find anything all that interesting. What we found was the exact opposite: an OS that doesn't appear to be affected by SSD performance degradation [...]"