Is there really a way to tell where the majority of bitcoin holders reside? I don't think so. Bitcoin doesn't know nor care about nationality, country, religion, continent... It is a universal borderless currency. Maybe there are indirect ways to correlate users with countries, but that would be very hard to do accurately.
What do you mean by bitcoin was born in Asia? Because of the name Satoshi Nakamoto or do you have some other argument?
maybe what he meant was satoshi nakamoto as the pioneer of the creation of bitcoin. that might be the argument for him. because sathosi is Japanese. that's my opinion
So? Let's say Nakamoto is Japanese but he/she/they plan and made bitcoin in other country? I think this argument is useless since it doesn't matter in any bit. And certainly, nobody can exactly point out that Asian is the biggest holder of bitcoin since the address is the only way and it's anonymous. Even someone here says that majority of transactions were been made in Asia, still isn't appropriate. So what if American 1 and European 1 resides somewhere in Asia, do we can still conclude that?