Quota system-is it justified: split from Karachi blood bath

The MQM has been part of many coalition governments in the centre and provincial level in sindh,what have they done to reform the quota system being part of government.They have moved away from their original manesfesto.

Is it only muhajirs who lack access to good educational institutions?.My answer is no because most muhajirs live in urban areas and have better access to good education compared to their counterparts in rural areas.