Radiation away from Earth is indeed a major concern, both the slow accumulation over time or - and the Apollo astronauts were fortunate that no event occurred - quickly via a burst from the Sun.
Moon habitats will be attempted to be shielded with regolith and water barriers but it will be an in-progress monitoring exercise as they go along to find the safety margin for Moon/Mars inhabitants.
bet the author does not understand that specific serial number booster has made 36 flights.