God's judgement is being levied upon rebellious Judah. Nevertheless, Yahweh explains HIS intention to "leave behind" a few men to explain what and shy this was being done.
Notes
Transcript
A Few Good Men (Ezekiel 12:16)
Ezekiel 12:16 (KJV 1900)
16 But I will leave a few men of them from the sword, from the famine, and from the pestilence; that they may declare all their abominations among the heathen whither they come; and they shall know that I am the Lord.
Left Behind
You were not left because you were least, but inserted for inspiration. Deposited to declared.