Once again thank you for the visit, you have a great family and adorable dog. You are always welcome back.
The tough part is the time of changeovers, when new guests are coming the same day. Though I use help (so hard to get reliable people), 5 hrs. for preparation of my large home, vacuuming, washing the floors, cleaning glass/windows, kitchen, doing laundry, servicing the pool, BBQ and the outdoors is not always enough. Bathrooms are always being cleaned, nevertheless certain details can be missed. However, I do not ever publically point out or criticize what I would see better in my guests visit. If I write a review I give my guests 5-star ratings, just like you, not necessarily deserving it.
This note about bathroom could have been discussed in private, so far I did not get a remark about bathrooms cleanliness. Nevertheless, I take it very seriously and definitely will pay more attention to the details, sorry for the mishap.