Because they couldn't find the [b]Droids[/b] that they were looking for.
[spoiler][b][i][u]KUPO!!!™[/u][/i][/b][/spoiler]
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Actually it was so they could use it as a credit card to purchase more loot boxes as they wouldn’t ever stop, their families were starving and their wives kicked them out causing them to be homeless forever addicted to waste their cash on the loot boxes. Some say you can still find them opening loot boxes in the back of alleyways on the planets the empire hasn’t destroyed.