What does 2 Kings 25:24 mean?

Gedaliah promised them and their men, 'Don't be afraid to serve the Babylonians. Stay here in the land and serve the king of Babylon, and things will go well for you.' 2 Kings 25:24 - Modern Text Bible

(Gedaliah tried to reassure the remaining people, encouraging them to cooperate with Babylon for their own good.)