People organise neighbourhood watch WhatsApp groups to prevent crime instead of relying on the police to fix things. Within ten years these groups will probably grow into armed and organised right-wing groups. And there's a constant flood of people trying to get into clubs with shooting ranges, the only way to get a gun legally in The Netherlands if you're not in the police or the army.
So people don't trust the government anymore in protecting them and they take rights into their own hands. Not a socialist paradise that's so right and just that nobody commits crimes anymore.
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Edit 2: I'm not telling that it's not a safe place. I'm telling that when something does happen you shouldn't rely on the police to fix it.
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Thanks for the down votes without knowing the facts.
There are many sources, this is one of the more recent:
https://duitslandinstituut.nl/artikel/10090/opvallende-versc...
WhatsApp neighbourhood patrols:
https://www.nrc.nl/nieuws/2016/02/29/waken-met-whatsapp-rukt...
http://www.hln.be/hln/nl/960/Buitenland/article/detail/27997...
Apart from that every shooting range has a huge waiting list nowadays. Just pick the ones closest to you.