Yes it is, it's just not as crazy, but it exists everywhere.
If several houses share a private road, it will be necessary to make an agreement with all the homeowners on maintaining the road.
Similarly with privately owned apartments. If they need new windows, it's generally in everybody's interest that the entirety of homeowners agree on the colour of windows.
There are usually some sort of home owners association anywhere where homeowners own part of the common areas.
It's still possible to buy a house without one, but many new build suburban sprawl have them by default because the placement off public roads and the developers wanting to have everything look at a certain standard before the houses are sold to individuals.
A bottle of Jack Daniels costs about DKK400 on Greenland. That's about $60. It's tax free though.
People do drink less than the average in EU, but despite this, alcoholism and drug abuse are serious issues on Greenland.