That review wasn't a deep dive, nor was it meant to, but the biggest issue I still had with it was the buggy enemy AI. At least it felt buggy. The Xenomorphs just seemed to run around like morons. The embedded gfycat video above is an example.
Well, jamesdickinson963, a modder working on an unofficial patch for the game, may have found a very simple answer. As it turns out, that seems to be caused by...
Whomp, whomp. Sad, but I get why this happened. Mistakes like this get pushed out and seems like no one noticed when they were testing the game. Glad it was found, I wonder if Gearbox will issue a patch to fix it but at least if you know you can tweak it.