@Gary1003 There are so many reports of guests getting terrible service from these big property managed places. It's much less risky to book with hosts who look after their own listings, or may have a private co-host.
I don't know how far you'll get with Airbnb, but if I were you, I would at least try to get some discount, as this is listed amenity that was important to you, and which you were even assured via message was available.
But it also seems that while Airbnb would likely side with you if this were a small-time host, they seem to turn a blind eye to the poor behavior of these management companies, as they bring in so much money with their plethora of listings.
The bottom line with Airbnbs, though, is that if you find a place unacceptable in some way, and the host is unwillin or unable to address the issue, your choice is to notify Airbnb of the issue, cancel and leave, getting refunded for unstayed days, or resign yourself to the conditions, stay, and not get refunded.
Definitely leave an appropriate review.