The Copied Factory loot rules are garbage.

[HyoMinPark]

This is why I hate official game forums. Any legitimate complaints are automatically drowned out by warbling fanboy white knighting.

Your complaint isn’t legitimate, though. You decided at the last minute to get a weekly drop for a tank; you made the conscious decision to wait too long. And then you chose to blame the game instead of being accountable for your own actions. But, by all means, continue to call those who point this out to you “white knights”.