"Adopt, don't shop" is very trendy in the US right now, and many shelters ran out of desirable dogs during COVID and had to ship dogs in from other states or even other countries. It seems very similar to what you describe in Germany, where desirable dogs get snapped up immediately and shelters end up being 90% pitbulls or pit mixes with behavioral issues.
.. by those "breed rescue" groups, which exist by fostering and adopting out shelter dogs which would get adopted anyway. They show up at the shelter first thing in the morning and take any of "their" breed.
