Does anyone know why BALPA gave up the previous schedule K, which didn't have any geographical limitation ?
We didn't 'give up the previous Schedule K'. When it was negotiated the regulatory environment did not allow an Operation such as OpenLies to be set up. There is an intent behind all our agreements with BA and in fact in the scheduling rulebook the intent of various rules is clearly spelt out.
The intent of Schedule K is being ignored and Schedule K is no longer fit for purpose with the new regulatory environment. That is the nub of this dispute.
(Edited for typo.)