i suppose there must be potential content

[daibiq]

there are many items can be triggered like the door in church map that can not be opened,the mouse in the middle prison
you can try to ask the landlady for oil with coin and so on

[Wrenbot]

yep, plenty of neat little Easter Eggs or red-herrings including the robot's cute flashbacks if you leave him standing in one place for a long time.

[divit]

Maybe it's just to make it seem more real; so you can try to do things which wouldn't help you, but without leading you to a dead end.