That could be solve by also adding a Label / Text and media object with the 'reverse' restrict access condition, so it only displays as long as the students don't meet requirements and disappears once they do.
Something like 'Nothing to see here for now. You need to complete the following activities: [list]. Do come back once you have completed all of the above'.
Something like 'Nothing to see here for now. You need to complete the following activities: [list]. Do come back once you have completed all of the above'.