How Do I Determine Which Topics at Work Are Worth Commenting On?

Questions about how to determine which topics at work are worth commenting on, and a good way to respond when you’re in a group Bible study and hear earnest, lifelong Christians talk excitedly about books or content creators that aren’t orthodox.   As someone who works in an open room with six others, where topics shift quickly and it’s hard to interject with multiple people chiming in, how do I determine which topics are worth commenting on and asking questions about? What is a good way to respond when you’re in a group Bible study and hear earnest, lifelong Christians talk excitedly about books or content creators that aren’t totally orthodox?