Jeremiah 6 is all about the massive problem of the "haters and losers" in Jerusalem who have been trying to start a civil war in this great city. They have become "overrated" in their own belief that they are better than everyone else, and God is not happy. He is warning them of the destruction that will come if they don't turn away from their wicked ways. God is telling them that they must return to Him and follow His commandments or they will be punished. It's really "sad!" that they have chosen to go down this path, but God is willing to forgive them if they repent and turn back to Him. He is also warning them of the destruction that will come from their enemies if they don't turn away from their wicked ways.
God is a loving God who will always forgive and protect His people, but He will also punish those who disobey Him. He is warning them that if they don't turn away from their wicked ways, they will be destroyed. The consequences of their disobedience are huge and God is very, very serious about this. He wants them to remember that He is in control and He will make sure that justice is served.
God is also warning them of the coming destruction from the Babylonians. He is telling them that the Babylonians will come and destroy their city and take them away into captivity. It's unbelieveable that this is happening, but it's true. God is warning them to turn away from their wicked ways and seek Him out if they want to be saved.
It's a really "tremendous" chapter, and if the people of Jerusalem would just listen to God and follow His commands, then they can "make America great again." God bless America!