These are only my guesses, but it might have to do with the way musical instruments and/or gear is sold in The Netherlands.
You will have to look very hard, to find any sale's people in the Netherlands who don't know the instrument they are selling.
The standard and technical knowhow is very high in The Netherlands.
Most of the Salespeople are good players and do know the instruments they are selling.
Also the lines between customers/shops and importers are very short and have direct response.

A good example f.i. is Roland Benelux.
Like most of the usa users are complaining about service, you won't hear anybody about
Roland Benelux.

Then indeed it could be a test market as well. The arrangers are very popular in The Netherlands.

By the way there's also a Technics PR-903 demo. Don't know what that is.

Fred