because there is nothing written in EBA8 as that being a requirement
It’s in the integration award, not the EA.
here is what it says:
9 - INCREASE IN SHORT HAUL PILOT ESTABLISHMENT
In deciding whether an increased establishment of pilots on short haul aircraft is necessary, the determinant factor will be a divisor of not less than 73 pay hours per month taken on average over a projected period of one year, with due allowance for leave.