Yeah I mean, it's up to the company and the game makers/creators to decide how much they will show when marketing their game leading up to its ultimate release.
Whether it's Terminator 2 or Metal Gear Solid 2, I don't think it's a reason to feel mad and infuriated by the plot rope-a-dope. Although I was too young to visit the theaters back in the Terminator 2 days to catch a glimpse of its promo-trailer, I surely remember Kojima's plot rope-a-dope with the MGS2 trailers.
In this day and age of ours, with games and films coming out in spades, it's all about selling a mentionable, noteworthy, praiseworthy, and memorable experience, you need to stand out from the crowd - and the competition is outrageously fierce.
If you unveil everything in the trailers, you take away from the experience based on the surprise factor of the gamer-player-viewer.
It's all about the experience, and the surprise factor is a crucial part of it, without a doubt. Remember how much From Software president Hidetaka Miyazaki fusses over the experience of the players.
All in all, there's nothing bad in doing plot rope-a-dopes in your trailers, before the game is out.
Meanwhile, nice cover.