Regarding making airports 3D, this is at the discretion of the Airport Editing team, who can choose to make whichever airports they want. You can have a look at the public South East Asia thread here.
You can vote for them to be added below:
The issue with the Malaysian A330 is we don’t have the Pratt & Whitney engines on the A330 model in Infinite Flight. So the 3D model artists would probably need to spend time adding that engine model for the livery to be considered - which is probably not a priority atm with everything else currently in the pipeline.