Well, if we suddenly get the news one day that Estonia was turned into virtual obsidian in a moment's time, we won't have to wonder why.
This is one of the 5 reasons for the 5 First Saturdays devotion, reparation for those who instill into the hearts of children contempt for the Virgin Mother of God.
Today's Lutherans are entirely ignorant of what Martin Luther believed, and they probably don't care. He would never have countenanced such a disgraceful insult toward Our Lady, any more than he would toward any lady, but especially her. He may have been a heretic but he was not disrespectful toward the Blessed Virgin Mary.