WTF!? not only is that a horribly stupid mistake by epiphone, but how can someone own the guitar for 2 years before noticing?! And how can anyone offer the advice they have on that forum!?!? AND how can the guitar tech he brought it to just "set" the intonation on it, it's simply not possible.
This is a world of idiots, and in this particular instance the world's greatest powers have combined to bring us the likes of which we have never seen before.