NL is neither a Nordic country nor ethnically homogeneous. Just like all countries with a history of colonizing other people, many of those people are now in NL. Stop blaming everything on diversity

Punishing drunk drivers is well-deserved, but as long as car-dependent infrastructure encourages drunk driving, it is considerably more difficult to actually decrease the rate of it. Taking a taxi is expensive and being a DD is no fun, so people take stupid risks. If you know you can take public transit home, there’s no reason to take such a risk at all.