Because

Ezekiel 16:15
But because of your fame, you trusted in your beauty and played the harlot. You lavished your favors on everyone who passed by, and your beauty was theirs for the asking.

Ezekiel 22:15
I will disperse you among the nations and scatter you throughout the lands; I will purge your uncleanness.

Ezekiel 23:8
She did not give up the prostitution she began in Egypt, when men slept with her in her youth, caressed her virgin bosom, and poured out their lust upon her.

Ezekiel 24:13
Because of the indecency of your uncleanness I tried to cleanse you, but you would not be purified from your filthiness. You will not be pure again until My wrath against you has subsided.

Ezekiel 36:25
I will also sprinkle clean water on you, and you will be clean. I will cleanse you from all your impurities and all your idols.

Lamentations 1:9
Her uncleanness stains her skirts; she did not consider her end. Her downfall was astounding; there was no one to comfort her. Look, O LORD, on my affliction, for the enemy has triumphed!

Zephaniah 3:1
Woe to the city of oppressors, rebellious and defiled!

and thy

Ezekiel 23:10, 18, 29
They exposed her nakedness, seized her sons and daughters, and put her to the sword. Thus she became a byword among women, and they executed judgment against her. . . .

Genesis 3:7, 10, 11
And the eyes of both of them were opened, and they knew that they were naked; so they sewed together fig leaves and made coverings for themselves. . . .

Psalm 139:11, 12
If I say, "Surely the darkness will hide me, and the light become night around me"-- . . .

Jeremiah 13:22-26
And if you ask yourself, "Why has this happened to me?" it is because of the magnitude of your iniquity. Your skirts have been stripped off, your body exposed. . . .

Revelation 3:18
I counsel you to buy from Me gold refined by fire so that you may become rich, white garments so that you may be clothed and your shameful nakedness not exposed, and salve to anoint your eyes so that you may see.

and by

Ezekiel 16:20, 21
You even took the sons and daughters you bore to Me and sacrificed them as food to idols. Was your prostitution not enough? . . .

Jeremiah 2:34
Moreover, your skirts are stained with the blood of the innocent poor, though you did not find them breaking in. But in spite of all these things