These are what we call the 'YMMV items.' Things that some people find in this work. We call them 'your mileage might vary' because not everyone sees these things in the same way. This starts discussions in the trope lists, a thing we don't want. Please use the discussion page if you'd like to discuss any of these items.
YMMV: Ultima VI
Good Bad Bug: There was a bug allowing players to carry infinite inventory items regardless of weight. By opening a container item in a person's inventory, then using the 'Get' command to grab the item of choice. This would return players to the main inventory menu but now with the (normally weight-limit breaking) item in the inventory. This could be used to break the game from sheer quantity - objects, NPCs and world items would start to go missing.