Works about 95 % reliably in Finland, though! And usually if it doesn’t, there’s been a warning saying “we have an exceptionally long queue; calling back might take over a day”. When you hear that, you know there’s a 50% chance that they will never call back. Once the queue gets three days long, they just delete it because so many of the calls would be useless at that point.

More about this here. So yes, they do that. And nobody does that unless they hate their country. Or at least their lungs and climate because lignite is a catastrophe for both.