And yes - it can be quite the challenge. And people sees it as a god given right. The same rights as people who have their essential 4 bicycles.
Some of the same people who find it too cumbersome to use the bicycle storagespace/garage commonly found in basements. It can be a challenge indeed.
The basement parking is very common but rarely cater for the cargo bikes so they need to reside in the courtyards.
In some neighborhoods they have converted some of the street parkering spaces from cars to bicycle racks.
At Ikea and shopping malls they usually have dedicated parking for the cargo bikes.