Does the book of Isaiah 4:1 concerning seven women taking one man; Did it transpire in the past or yet in the future Isa 4:1

According to Rashi [ibid] this prophesy came to be during the times of the destruction of the first temple where Nebuchadnezzar prohibited his solders to rape the married Jewish ladies to gain merits in the eyes of the G-d of Israel; that led many single girls to rush and marry to save themselves from the hands of the brutal Babylonian troops. The Radak understands that this came to be during the time of the king Achaz where Pekach ben Remalyahu kills one hundred and twenty thousand Jews and leaves a disturbing disproportion between men and women.