Very true. The Netherlands never spent a single cent on the state religion so it completely collapsed when tithing dried up.

Meanwhile in Belgium the government gives money to the Catholic church so it is able to survive.

Heh makes it sound like the Catholics are entirely funded by Belgium ;)

It's honestly understandable in some of these countries, especially when you consider the deep interconnection many countries have with the church (take Rome as the quintessential example; how many of the tourist hotspots are just churches).