Notice I used the word "We" not the word "Them" to discribe get-home-itis; it has happened before and obviously continues to happen.
No fingers being pointed, just self-analysis; we all feel compelled to complete the 'mission' by getting into destination airport. I have had that view before, and I'm sure I'll be exposed to it again.
Good read 'The Black Box' by Nicholas Faith; an excerpt may be relevant:
"There comes a point where you have to stop operations or continue with certain precautions; every once in a while those precautions are'nt followed and we lose an airplane."
-----NTSB Investigator
In this case, thank goodness, no lives were lost.