Well, it is a damn good story. People might have gone overboard on 2010, but every 18 months seems like an acceptable rate, to get new people introduced to the tale =)
Reposts are fine after a year or so (this is in the FAQ: https://news.ycombinator.com/newsfaq.html) and for classics and perennials, occasional reposts are important so more recent cohorts of users can get to know the culture (https://news.ycombinator.com/item?id=32405060).