It's hard to say who's exactly on top, because the market for cocaine in the Netherlands and the Dutch-speaking part of Belgium is so enormous and there are so many different groups active.
I knew that Netherlands is biggest consumer and producer of synthetic drugs but i had no idea about cocaine market being so huge there with so many people involved. Considering number of groups and players i would expect much more violence.
Oh the cocaine market is enormous. I live in an area of about 12.000 people right now and top of my head I can name about 100 regular cocaine users that live in my area. I'd say that at any rave or party or nightclub event there's more people using drugs than there are people not on some kind of drug. Most users are either recreational users or functioning addicts. And most of them have traditional "respectable" professions; managers, lawyers, salespeople, consultants, teachers, doctors, etc... Life in Western Europe - despite arguably being the safest place in the world you can live in, and certainly one of the richest - is still extremely stressful; high workload, having to deal with other extremely stressed out people on a daily basis, lots of expectations, a huge tax burden, tons of social pressure and a general culture of discontentment. A lot of people look for either escapes from reality (like synthetic drugs) or ego/confidence boosts (like cocaine) to be able to deal with it all. So there's lots of users and more potential ones out there. Especially seeing younger kids these days are starting to use especially synthetic drugs and cocaine at an increasingly young age. I remember when I was a 16-year-old we started to drink a bit and smoked some weed or hashish from time to time, but 16-year-olds these days are popping mollies, snort ketamine and cocaine at some dorky youth movement party. That was unheard of back in the day. For some reason though all that drug use doesn't seem to lead to a ton of violence because you actually don't see a whole lot of fights happen these days among these youngsters. When I was in secondary school we were literally fighting and kicking the crap out of each other on an almost daily basis.
Honestly, it has always puzzled me as well why there still is comparatively little inter-group violence. Probably it's because the market seems to be big enough for everyone and all of them are still making a ton of money. Also, despite hits happening, most organizations still prefer to keep a relatively low profile because at the end of the day there are huge busts on the regular and most drug traffickers don't last that long before they end up in prison and have to start over again. And even though prison in any Western European country is not the worst place on earth, nobody likes to go to prison. In general I'd say that organizations active in the drug trade over here are highly professional. They have to be, because despite all of their professionalism most don't last more than a few years before they get hit hard by law enforcement and experience a major setback anyhow.
Violence between different "ethnic" organizations is virtually unheard of over here. Most of the violence comes from internal settlings of disputes.
