I don't get the criticism of the guidance being "voluntary". The bigger question is more in compliance, no? That is, if they have compliance rates that are comparable to the countries that do have legal recourse, do we have reason to think legal recourse would have gotten them better compliance?
This Yale study[1] collected data from every county in the US about which restrictions were in place and then tracked how many people got sick. Their data[2] distinguishes between “mask mandate” and a “mask recommendation” and the study author is quoted that the recommendation “doesn’t do anything”. Of course this is all US data so I’m not sure whether or to what extent it would apply to Sweden’s compliance with a ma…
Even here in the US, some mandates have gotten worse compliance than others.