Imagine even the very best of them being like a “brier,” that is, sharp and dangerous! “The day of thy watchmen and thy visitation [punishment—RSV]” was the day of judgment. The prophets were the “watchmen” of the day of trouble. This thought is based on the fact that fortified cities in the past had walls upon which watchmen took turns day and night to look for approaching trouble, enemies, etc. That way the city could always be warned of impending trouble. Similarly, the Lord had some prophets arise late and early to watch over His people, Israel. Warnings were continually given of a coming day of judgment if the people did not repent and change their evil ways. Here Micah said that the day of judgment had come, that the experience was upon them.
In the antitype, Christendom will be in this situation, especially after the Harvest when “summer is ended” and the “salt of the earth” has been taken away (Jer. 8:20; Matt. 5:13). For the most part, no righteous man will remain (except the Great Company, who will not have a stabilizing effect on society).