I agree that in an ideal world it shouldn’t be this important.
But in practice it is.
And it’s valid for all languages, not just English. You might benefit in one language but be at a disadvantage in another country that speaks another language. For example I would be at a disadvantage in China.
If you’re fundraising from financial investors, you’re agreeing to eventually provide them with an exit. The appreciation in value from the time of investment to the time of exit is a proxy for success. And that depends on factors like those you identified.
The PayPal mafia is unique. Even in the US, I haven’t seen such a diverse group of impactful people originating from any other single company.
In Turkey, a fund with multiple startup investments rather than a single startup may be necessary to produce enough people with a similar impact.