I think it's more a case of the press release people wanting to call it a unqualified "law", as far as we know black holes do evaporate slowly. But there rema

I think it's more a case of the press release people wanting to call it a unqualified "law", as far as we know black holes do evaporate slowly. But there remains is a statement about how the final area relates to the area of the two merging black holes.