Guests are not allowed to leave a review if they never stay

There's been confusion on this point among Airbnb Customer service, but from these threads, appears that guests are not allowed to leave a review if they never stay at your listing:

community.withairbnb.com/t5/Help/Can-a-guest-who-never-checks-in-leave-a-review-No/m-p/746229#M16634

community.withairbnb.com/t5/Help/Guest-didn-t-stay-but-left-a-bad-review/m-p/1098013