Shadow of War has loot boxes, and it's safe to say a lot of players are upset with them. So, it perhaps comes as little surprise to see the community do its utmost to combat the controversial system.
First up, players have found that if you decline Shadow of War's terms of service, it forces you to play offline and rids the game of its controversial Market. Thus, no loot boxes.
GeekCulturePodcast flagged this trick up (via NeoGAF), and we've verified it works on Xbox One (it's a little strange in that you have to hit "accept" either way to decline, but making sure to leave the checkbox unselected forces the prompt). Here's the warning you get if you opt out of publisher Warner Bros.'s terms:games