Sweden have had fewer infections than a lot of other regions. If longcovid is a problem, I would be more worried about places like New York and London.
Here are the case numbers per inhabitant from the Johns Hopkins university dataset plotted against time (moving average with a window of seven days):
https://mackuba.eu/corona/#compare.daily?pop=1&c=no,fi,dk,se...
I didn't mean that it is fair to compare a metropolis to Sweden when it comes to "who did the right thing". But it is a fair comparison when considering the effects of longcovid.
Sweden only stands out when compared to Nordic countries, not when compared to the rest of the world. Thus bad effects from longcovid should be more visible in harder hit places.