I created a rule set to have a minimum of 6 nights stay. I applied it on one listing (first listing) between August 15-23. There is another listing (second listing) linked to the first listing. Today the first listing has a 30 days booking between July 28 to August 26. I saw the first listing was totally blocked. All is good so far.
Then I did a search for the days between August 16 and August 23. I saw that the second listing appeared in the search, which has those dates blocked due to the linking. It is scary because I have instant booking on. If somebody books the first listing for the dates which has the rule set applied, I would get double booked.
After I removed the rule set from the first listing, I did search again for the dates between August 16 and August 23 and I did not see the first listing appear.