Niederrhein / Weeze has been more or less a disaster since its conception. Sadly Germany has a great deal of overcapacity in regional airports and the failure to properly resolve the environmental issues here is a bit of a fig-leaf. At the end of the day, the airport is simply too close to Düsseldorf and Amsterdam to be a serious threat to either.
Nevertheless, I still don't believe Ryan will follow through on its threat after pumping so much resource into the airport, but I have occasionally been known to be wrong ;-). I certainly don't attach any credence to internal memos any more.
KT