I think there are enough examples for and against.
He does give the example of Copernicus, I believe Louis Pasteur would be another good example. PG does say he is speaking mostly of maths, sciences, etc.
But there are also many examples where the domain experts missed the opportunities, and somebody else stepped in.
The AirBnB gang weren't domain experts in hospitality. Coinbase founder wasn't an expert in finance (though he was an expert in security I believe), Collison brothers weren't experts in credit cards, doesn't look like the founders of DoorDash were experts in hospitality or delivery.
Not to say PG is wrong, there is good logic to not dismissing ideas, and finding nuggets, but I think the model is being overfit. Or perhaps one wild ideas by domain experts doesn't negate the potential for wild ideas from non-domain experts.
It turns out that security was the domain where Coinbase needed expertise.
Selling something and taking a commission is not exactly the nosebleed seats of high finance. Lots of people with expertise in setting up a web site, and enough finance to run a business, could have become Bitcoin markets.
Indeed, a lot of them did. Most of them got hacked, sooner or later, because protecting billions of dollars of value from adversarial forces is very, very difficult.
He does give the example of Copernicus, I believe Louis Pasteur would be another good example. PG does say he is speaking mostly of maths, sciences, etc.
But there are also many examples where the domain experts missed the opportunities, and somebody else stepped in.
The AirBnB gang weren't domain experts in hospitality. Coinbase founder wasn't an expert in finance (though he was an expert in security I believe), Collison brothers weren't experts in credit cards, doesn't look like the founders of DoorDash were experts in hospitality or delivery.
Not to say PG is wrong, there is good logic to not dismissing ideas, and finding nuggets, but I think the model is being overfit. Or perhaps one wild ideas by domain experts doesn't negate the potential for wild ideas from non-domain experts.