Given Pakistan's own overpopulation and its historically low yields, it will be a tall order for it to provide food security to China. A very tall order. But hey, we can dream. 50 ships! :D
Really? Do you see enough opportunity for 400 million people in Pakistan? And that is IF the past trends of growth are somehow halted. That graph is still growing exponentially and the future trend is a mere estimate. What is even more sobering is the availability of crucial resources such as...
The numbers show it all:
"Pakistan’s total population is estimated at 220.9 million and it is growing rapidly with an annual fertility rate of 3.6 children per couple, says a world population report."
More here:
https://www.prb.org/international/geography/pakistan
The answer is simple. The country that was made in His name in 1948 failed to live up to its claim and died in 1971. The states created at its death went their separate ways. And now India has more Muslims inside its borders than either of the fragments.
As I have often said, there is no need nor desire to make any substantial changes. The systems works perfectly to deliver the results it is designed to achieve.
For your analogy to apply, consider that the said matchstick was lit by the military to light its own cigar, and then handed off the the lackey nation to suffer the consequences as you have described them.