In developing the content for Teach it Online Now, the authors took the side of turning cameras on. After all, how will you see if your students are engaged? But we certainly have been carefully observing the other side of the argument to keep them off. While we aren't going to take sides, we do suggest understanding why you would want to or not. The Foundation Course gives a fair number of engagement strategies that don't require cameras to be on, but we also apprecaite issues of privacy and equity can be at play.
Below is a chart from Oregon State University which provides a summary of both arguments. Are there other reasons for or against that aren't addressed here?