I am not sure why a lot of the comments here are very negative. At least for me this was a well-written post that was very introspective and made me think about my own choices and if I was a lotus-eater or a pursuer of Ithaca!
But I think the point being made is that eating the free-lunch makes you "weak" (weakens your resolve) on your journey towards your Ithaca -- illustrating exactly the point being made about being a "lotus-eater".
And my point is that doesn't have to be the case. You can eat a free lunch at your current job without being weakened or distracted in any way.
It's good to keep your end goals in mind and make sure you aren't deviating from a course that will get you there, but a logical conclusion of taking this blog post literally (which many people are doing, because there's no obvious reason not to do so) is that the author is severely misguided at best.