Can't disagree since the document doesn't say much. What's not being written by official; how come someone mention openly like Incase the Forum.
Just a spinner; AZM project says Twin Engine and it's phase 1 design was completed. AZM, a program and not a platform. Thunder is a platform and can evolve under AZM given the experience and knowledge from. It can be anything in the end.
There was an MoU for development of stealthy JF-17 between China and Pakistan some years ago, is it possible that MoU materialized??