Lacking in service
Room was ok, but not practical. Where is the dresser? Why is the desk completely covered with W Hotel items for sale and office supplies, leaving no room for my laptop? 
Also, the Acura car service that is advertised runs at odd hours and is never available. Concierge is no help and acts like he's doing you a favor.
Got interrogated on Saturday night by the doorman. Can I just get to my room please? I understand you have a nightclub on weekends, but as a paying guest, I shouldn't be harrassed.
Final straw: restaurant on Sunday has the odd practice of closing for breakfast on Sunday and then reopening for brunch an hour later. I have never heard of that and because of that we couldn't eat before we had to check out.