Destructive Wrath maximizes all damage getting rolled, as long as some of it is thunder or lightning?

@JeremyECrawford As written, Destructive Wrath maximizes all damage getting rolled, as long as some of it is thunder or lightning, correct?

— Pragm4 (@pragm4) September 22, 2015

The cleric’s Destructive Wrath is meant to maximize thunder/lightning damage only. #DnD https://t.co/Y10gHFwiYy

— Jeremy Crawford (@JeremyECrawford) September 23, 2015