this is true too, and possibly other factors too, better diet in Sweden than in England, and less obesity etc... but what we know for sure, and we have the cases in refugee camps for that, is that lockdowns don't work to solve the pandemics, it was all done to cover the ass of politicians for their poor public health policies from the last 20 years, so they can be perceived to be doing something instead of nothing as usual
they will get sued eventually, Macron and his PM will be investigated over their handling of affair right before the lockdowns when they were shipping all the masks and equipment to China in solidarity despite strong signals that it was going to hit all of Europe
we have been played by broad incompetence, at every levels