Will I get access as a gold/75k on JFK-LAX or JFK-SFO or JFK-SNA transcons flying economy?

See:
Includes customers on all departing flights marketed and operated by American or a oneworld® airline (regardless of cabin).*
Qualifying Mileage Plan™ MVP Gold 75K and MVP Gold
Access is granted on these qualifying international flights:

Flights between the U.S. and:
Asia
Australia
Central America
Europe
Mexico City (MEX)
New Zealand
South America
Qualifying transcontinental flights
Flights with seats ticketed as Flagship®, including:
New York (JFK) and Los Angeles (LAX)
JFK and San Francisco (SFO)
JFK and Orange County (SNA)
LAX and Miami (MIA)
LAX and Boston (BOS)

I would assume yes, as if just business class and first are allowed, it would be covered in Qualifying First and Business:
Qualifying transcontinental
Flights with seats ticketed as Flagship®:
New York (JFK) and Los Angeles (LAX)
JFK and San Francisco (SFO)
JFK and Orange County (SNA)
LAX and Miami (MIA)
LAX and Boston (BOS)