Not necessarily
Not everyone in Netherland speaks Dutch
There’s a lot of Italian, Spanish, German, french etc..
Many many don’t speak or are Dutch
People from all over europe are in Amsterdam, even the red light district few of the prostitutes are dutch, they mostly from all over europe.
Even Belgium, most people don't speak flemish(dutch) even though they make up a large percentage of the population.
Black people in Amsterdam do not identify as dutch.
Many are from nigeria, U.S and Suriname because the dutch colonised Suriname.
Also Morroco, ghana & Kenya,