The exact same thought is hunting me 24/7. Like the treatment/cure is literally in the box somewhere in the storage room with other garbage and materials for future/past researches...ugh!
After investigation I came to the conclusion that the vibration comes from their refrigerator and not dishwasher. Looks like they got a new fridge or it's the old one that got broken. One of the 2. Anyway I hope they will do something about it