@Natalie767. Natalie, you have a beautiful home and clearly look after your guests.
I think the Airbnb algorithm is biased towards frequency of bookings as well as the quality of those ratings. I note the Gold GF seems to occur at the Top 10% here in OZ (and Airbnb even goes onto to specify if its a Top 10%, 5% or 1%).
In our local area its the more modest priced listings that seem to get booked regularly that also achieve the Gold (so no Luxe seem to consistently earn it, although we have those too with great ratings). Listings here regularly lose that Gold, even in the space of one weekend booking so its definitely a harsh system, not geared to the longer term.
Have you looked at your local competition to see if its similar?
So I am probably telling you something you already know ie that Airbnb is encouraging the number of bookings, irrespective of differentiation.