Why remove the trailer scenes?

[Draug]

Spoiler below!

There is a pig encounter in the cage area. Not the "scene pig" but an actual encounter. You get the encounter depending on how you play after having been there the first time.

Anybody here who played it a second time and got this encounter? I am on my second playthrough and now I have passed this part. No encounter. I'm curious what you have to do to get the sighting. I hope jens meant the cage part in the level with the centrifuge.