While the problems you mention do exist, Wilders barely presents any form of solutions. Abolishing passports sounds nice but doesn't do a whole lot, a strong cultural identity is not changed by taking away some paperwork.
You need to realize that most Turks in the Netherlands live their happy life without causing any form of trouble and without being nationalistic supporters of Erdogan. Erdogans main voting base is mostly rural Turkey, not varying degrees of westernized Turks in Europe. This whole (completely planned) thing got started by Erdogan because he is
Most Dutch Turks do not serve in the Turkish military at all as it can be bought off for roughly 7500 EUR.
There are no third degrees Dutch Turks that do not speak Dutch. They may speak Turkish most of the time, but they can speak Dutch generally very well.
Integration can work, hell it does even work pretty decently. We've had many more cultures integrate, usually with some frictions. It only works though with enough time and lack of hate. This is where Wilders is simply dangerous, he fuels hate, he rarely debates, doesn't compromize. He wants to assimilate anyone that doesn't fit his exact narrative. The ironic thing is that Wilders is almost as far from a traditional tolerant, well thought, compromizing Dutch as these rioting group of Turks.