rustt

its nothing to do with microsoft, its the makers of the game activision and infinity ward that you need to be asking the question to

The change them all the time so it will probably come back

As others have said this is a game specific issue and not under Microsoft's control or even their influence. I'd recommend reaching out to the developer or publisher on twitter or their official forums to give them feedback.

The playlist change weekly and the game developers choose to do so.

in the end the maps are still in the game, just the playlist changed

Rotations are updated all the time to keep things fresh.

Rust was always a spamathon for me.