What does 1 Kings 18:21 mean?

Elijah came up to all the people and said, How long are you going to keep wavering between two sides? If the Lord is God, follow him. If it's Baal, then follow him. But the people didn't say a word. 1 Kings 18:21 - Modern Text Bible

(Elijah challenges the people to make a choice between God and Baal. They're silent, not ready to commit.)