Maybe the screenwriters thought the original stories were too hard to tell in movie form, but I suspect a clash between the Dickian worldview and the Holly-worldview is the real culprit. The Dickian worldview wouldn't work in a Hollywood movie (meaning less box office revenue). […] People don't like their belief in free will questioned.

A turnement were best to bede.

I'd rather deliver in the Glossop Grubber than that apology for a shant.

See if that nut has too much looseness and tighten it if it does.