...the Swedes trust and follow their government, so they stayed at home, resulting in an actual reduction in people outside to nothing and also people wear masks and practice social isolation
****************************************
Many sit down restaurants remain open, people are out and about, schools for kids 16 & younger remained open. When looking at CURRENT pictures and videos from Sweden I dont see a lot of people wearing masks. But you are largely right. The older (and presumably also Swedes with conditions) people are not seen in those pictures/videos so they are likely self-isolating. So Sweden is in the process of gaining a large measure of herd immunity while protecting the vulnerable.
The pictures are selective