It's a matter of time before more banks remove the landside lounges from their list...too much abuse....

I think ppl/aerotel is shooting itself in their own feet by not being strict with access....if they deligently only allow bone fide passengers with boarding pass to enter, as is the original intention of airport lounges, then banks will be more willing, and it is a real perk... KLIA2 is unique in having landside lounges....

Unless you wanna risk your luggage unattended/claim later from unclaimed baggage section, else I don't think you can...
No bed for you to rest... Just sit down on couch and chill.
But too bad will be reduced to 3x per year.

Yes, but accountable towards principle card's entitlement (2x per year).