ELIMINATED altogether for everyone. Something about making the ships "greener".
It's spreading thought out the fleet.
I don't know why you would think it would have any effect on formal nights, but if it does it great by me. I hate getting dressed in anything formal although I do, only because of the wife.
I was just on the Emerald & didn't take notice because I had my suite cleaned on the previous cruise. I used to use the perk only because I hate their laundry service but I suppose I'll have to give it a try again on longer cruised.