Surely your contract and expectations should be based on both the Conditions of Carriage and the Fare Rules for the specific fare you are purchasing.Its not as though there is lack of disclosure here by the airline - just unrealistic (?unreasonable) expectations by the passenger. The Fare Rules are quite clear:

RULE - 334/3015 UNLESS OTHERWISE SPECIFIED AA/AY/BA/CX/IB/JC/JL/JO/KA/LA/LP/MA/NU/QF/RJ/XL/4M ONEWORLD EXPLORER FARES APPLICATION CLASS OF SERVICE THESE FARES APPLY FOR FIRST/BUSINESS/ECONOMY CLASS SERVICE.
TYPES OF TRANSPORTATION FARES GOVERNED BY THIS RULE CAN BE USED TO CREATE ROUND-THE-WORLD JOURNEYS.
TRAVEL MUST BEGIN AND END AT THE SAME POINT EXCEPT ORIGIN-DESTINATION SURFACE SEGMENTS PERMITTED AS FOLLOWS- A/ WITHIN THE COUNTRY OF ORIGIN.
B/ WITHIN THE MIDDLE EAST C/ BETWEEN THE UNITED STATES AND CANADA D/ BETWEEN HKG AND CHINA E/ BETWEEN MALAYSIA AND SIN F/ WITHIN AFRICA ----- CAPACITY LIMITATIONS THE NUMBER OF SEATS ON ANY GIVEN FLIGHT IS CAPACITY LIMITED.
OTHER CONDITIONS FARES APPLY ONLY IF PURCHASED PRIOR TO DEPARTURE.
----- A MINIMUM OF 3 AND A MAXIMUM OF 16 SEGMENTS INCLUDING SURFACE SEGMENTS BETWEEN ANY 2 AIRPORTS ARE PERMITTED FOR THE ENTIRE JOURNEY.
---- THE FARE TO BE CHARGED IS DETERMINED BY THE NUMBER OF GEOGRAPHIC CONTINENTS IN THE ITINERARY INCLUDING THE CONTINENT OF ORIGIN.
CONTINENTS ARE DEFINED AS - EUROPE AND MIDDLE EAST-INCLUDING EKATERINBURG/ ALGERIA/MOROCCO/TUNISIA/EGYPT/SUDAN AFRICA ASIA SOUTHWEST PACIFIC NORTH AMERICA-INCLUDING CARIBBEAN/CENTRAL AMERICA/PANAMA SOUTH AMERICA ----- THE DATE OF THE FIRST INTERCONTINENTAL SECTOR DETERMINES THE APPLICABLE SEASONAL FARE FOR THE ENTIRE JOURNEY.
SEASONALITY WILL BE DETERMINED BY THE COUNTRY OF COMMENCEMENT OF TRAVEL.
IF THE OUTBOUND INTERCONTINENTAL SECTOR IS OPEN DATED CHARGE THE PEAK SEASON FARE.
----- PASSENGER EXPENSES - NOT PERMITTED.
----- BAGGAGE REGULATIONS - THE PIECE SYSTEM APPLIES TO PASSENGERS TRAVELING ON A ONEWORLD EXPLORER FARE.