I referred entry post # 27070 and posted my reply therein.
There I have posted the details of a PNR No. which contradicts your views on PQWL / RLWL.
At the end, the picture which comes out from all this is that Railways never use strictly the terms / quotas which are generally understood / analysed by the travellers and the Railways on their own, keep on changing the booking settings suitable to their interests and conveniences ...