Does a big Mac ever look as good as it does on a TV ad? There's your answer.
Trailers are Ads. Nothing more, nothing less. They can slap a "subject to change" disclaimer in tiny ass letters and get away with any legal trouble.
Want to make them change? DO NOT PREORDER! Do not buy day one. Wait for reviews. Not just from handpicked shills as it seems to be for this game, but wait for reviews of outlets/people you trust. Judge the release version and then make consider your buy decision. Until the majority of the gaming populace adopts something similar, publisher's can, and will, get away with it.