So probably not ROT13. Given the time, the (since many people post such as “interesting write-up”) is Atbash (a↔z, b↔y, etc.). Let’s test quickly on first word:
wkpbo — no. But I notice the phrase looks like a from some forums: thmyl brnamj adwby akrwbat rby mjana thmyl brnamj adwby akrwbat rby mjana
t→r h→g m→n y→t l→k