So in your logic Swing/Pace comes via genes??
Not at all. It’s an art and requires appreciation, appreciation to the extent you are willing to bowl the long yards and understand the technique of setting batsmen up.
Some parts are genetic. Hyperextension, height. Kyle Jamieson, Jasprit Bumrah, Shoaib Akhtar, Wasim Akram, Shaheen Afridi.
But it’s the culture that transforms those basic raw ingredients into world beaters. Amir for example grew up playing tape ball and his famous story of making it big was bowling 6 yorkers in a row at the age of 14 to Billo Tennis. People think Amir was just naturally talented, but he bowled insane amounts in his small village even before he knew what a hard ball was. That’s what catalyzed the raw ingredients into something more potent.
Last thing that is required is numbers. Population numbers. India has this, hence why there is a sudden jump in bowling quality in India, because cricket is now becoming more accessible to the lowest segment of society. The reason is that the genetic raw ingredients have a higher likelihood of appearing 4 times (for 4 national team fast bowlers) in a population of 1.5 billion or 200 million than in a population of New Zealand.
Unfortunately, the large part of the population in both my country and yours is malnourished and discourages sports as an unprofitable career while New Zealand has a sporting culture offered to well nutritioned kids, with coaches there to scientifically tweak bowling technicals, which is why they have one of the best Test bowling lineups in the world right now.
The reason Pakistan has always made up for these deficiencies is because of an extremely, extremely strong passion for fast bowling created singlehandedly by Imran Khan, and then taken to the next level by Wasim and Waqar. Every kid in the 80s, 90s, and 00s wanted to bowl fast. This is also a reason (there are many more technical and structural reasons, but this is also one of them) for our lack of good batsmen - no one found it as exciting compared to ripping wickets apart.
All of these are factors for why Pakistan has consistently produced fantastic bowling talents - in terms of pure numbers. Now, if Asif and Amir had never fixed, in 2020 we’d still be talking about how Pakistan is the greatest pace bowling nation on earth, with the likes of Junaid, Wahab, Naseem, Hassan, Hasnain, Musa, Rauf, Sohail, etc all being domestic bowlers.
I don’t think Pakistan has seen a demise in fast bowling. Not yet. With the advent of mobile phones, a decreased interest in sports, the demise of school cricket, the impact of terrorism and crime on fewer kids playing tape ball on the streets, rising drug addictions, a lack of bowling superstars to look up to for 10 years before Shaheen who is himself not a superstar yet, and watching our bowlers struggle in the UAE, I do expect a decline in Pakistan’s pace bowling fortunes.
But we will always have a large population, and even with a lower recent passion for cricket we will still be the second most passionate nation in the world after India. What we really need is just one superstar - maybe Shaheen - to galvanize that culture all over again the way Gavaskar and Sachin did for Indian batting, or the way Imran did once upon a time for Pakistani bowling, from a place of complete obscurity.