User blog comment:StormieCreater/Garmageddon Thoughts/@comment-1323688-20190617171948/@comment-1323688-20190617174250

Actually, Jonah didn't even want the people of Nineveh to repent. He just wanted God to destroy them. So God had to show him through growing a vine that gave him shade from the heat for one day, and then taking it away the day after, that God cared about sparing the people of Nineveh.