Definitely Jon. I have been hosting for 2 years and have been consistently 85-90% fully booked. Jan & Feb have been virtually nothing even though I have lowered my prices. I have 3 listings and even though I am the cheapest in my area with loads of 5* reviews, 2 of my rooms appear below other more expensive properties, some not even in this town (!) and with no reviews?! Why is the search engine bringing up listings that are 20 miles away before my property? I find the search engine is not good compared to booking.com, hotels.com etc where you can prioritise by price etc.
Having said that, I do think that the Paris terrorist attacks have detered visitors to Europe - I used to get a lot of American & Australian bookings. There is also another thread about a 90day per year limit in London (I'm just outside) so wonder whether Airbnb is enforcing this by arbitrarily disabling us. I haven't even had any views and the few bookings I've had have been my regular guests who will already have me listed on their system. My gut feeling is my listings are not, for whatever reasons, coming up in the search options and this is very frustrating.