Air warfare communities in China, the U. S. and a number of European countries will be extremely interested to try and get as much ground truth as they can on tactics, techniques, procedures, what kit was used, what worked and what didn't,
The presence of Chinese military advisers and other personnel in Pakistan is well-known given how Pakistan's Ministry of Defence has been importing some of its most advanced military hardware from China, so we can be certain the PLA would be able to access relevant data,
These vessels may double up as listening posts, tracking development rhythms and response patterns, feeding early warning, naval intel to their sponsors,