When people ask why god is so pissed, Jeremiah is to explain it's because of some of the craaazy shit their forefathers started and they've kept up. Then he details how he's going to do it, but after 16 chapters I'm feeling symptoms of PTSD, so I'm not going to detail them.
Cursing. Threats of violence. God tells Jeremiah to go to the city gates on the Sabbath to remind people not to do any work that day. I wonder why oh why 'minding your own business' was not included on the list of 'things that count as work.' The punishment for working will be death by fire.
God finally figures out the first rule of TV: Show. Don't tell. So he tells Jeremiah to go down to the potter's house, where he'll have further instructions. The potter makes a vessel, but messes it up, so he makes another, which Jeremiah buys. On the way home, god laments that he can't do to the Israelites what the potter did to that first vase. Then he instructs Jeremiah to go down to the men of Judah and threaten them. I'm sure they hear this every damned day, so I'm surprised they even show up in the square or the