Why, would a manufacturer risk their reputation in this day and age, when anything even remotely underhanded is reported all over the internet?
Perhaps, you should go to the factory, and watch them build the unit and package it up for you?
Companies that sell direct, have B-Stock listings specifically to deal with gear that either has some blemish, or, something that has been returned.
Dealers have B-Stock listings also.
What would possibly make you think that this would be some kind of action the company you’re buying from would do? Is there any evidence of this? If there is, why would you buy from them? If there isn’t, where is this paranoia coming from?