Speaking as a British person,
If the problem is our dickheads going over there and ruining the vibe by harassing the locals, sex workers, and pissing everywhere I have a solution:
Turn the whole area into an LGBT area with Gay Bars and Drag Queens and send over a few of our police to coordinate on patrols with the Dutch police.
I'm serious, on a night out on Canal Street in Manchester there is almost no dickheads because:
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They stay away from Gay Bars because of their own insecure masculinity even though Gay Clubs have better music.
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The Drag Queens, most of whom act as front of house, ticketing, and head floor management DO NOT suffer fools and anyone harassing or being a knob will be ejected them from the premises quickly.
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The GM police love working with the Drag Queens who stand outside the clubs trying to convince punters to go inside because they're an active part of keeping the whole area safe by pointing out antisocial behaviour. Also when they don't have a dickhead to deal with, they're having a good chat.
Edit:
Also a belated apology on behalf of my fellow idiot countrymen. Also I'm of the opinion both sex work and recreational marijuana should be legalised and regualted in the UK. Hopefully that would also help with stemming the flow of idiot tourists abroad.