The T&Cs do line up with reality. From the T&Cs at
https://www.qantas.com/au/en/frequen...onditions.html
it states
Originally Posted by T&C
'Eligible Flight' has the meaning given in clause 9.3.1;
and 9.3.1 states
Originally Posted by T&C
9.3.1 Subject to the exclusions in clauses 9.3.2 and 9.4, Qantas Points for air travel may be earned only for paid travel or Points Plus Pay - Flights (excluding for the avoidance of doubt any Classic Flight Rewards) on regular scheduled flights where the Qantas flight number or the flight number of the applicable oneworld Member Airline or Airline Partner is shown on the Itinerary ('Eligible Flight').
For the requirement of "four eligible flights must be taken with Qantas (QF) or Jetstar (JQ, 3K, GK)" . it seems pretty unambiguous what the requirements are