Did MGM recently become frugal with their comp?

I was getting 4 nights comp with 100 food and 100 freeplay emails at the Aria for the last yr.

Now when I wanna go (Beginning of May), i went to check the emails again and now theyre only offering two nights and 50/50 food/freeplay

Did they get thrifty or was I holding on to the comp too long?