Of course they went back on their initial approach, same as the UK. If you say "no need to restrict anything, it will go away", your death toll is significantly hire than comparable countries, and then you enact restrictions, what is that? Yes, the situation and our knowledge of the virus and the pandemic is highly evolving and the UK took barely a few months before making a U-turn, while Sweden persisted for many months with their strategy, in spite of the death toll, and some research saying that the economic impact is still significant.