> How did you come to the conclusion that Blendle didn't get the major national newspapers on board?
You're not carrying NRC. Any serious collection of Dutch quality newspapers includes at least all three of Volkskrant, Trouw, and NRC. The rest is regional, tabloid (Telegraaf), or mostly irrelevant (AD).
I have been using Topics while my dad was subscribed to De Volkskranr you could read articles for the Trouw, de Volkskrant, AD, and Belgium newspapers etc. I thought it was a good deal.
Via my library I can use PressReader which offers a lot of worldwide newspapers for free. The Westminster council has access to it worth to check for yours!!