When people want to introduce Scandinavian-like social programs to the US, it's "socialism doesn't work". When people point out that they work in the Scandinavian countries it's "Those aren't actually socialism".
Socialism is very well defined and it's made nebulous only to claim virtues it doesn't have.
Scandinavian countries aren't socialist. They themselves say they are not socialist and a simple google search for "are scandinavian countries socialist?" will show you that the consensus is that they are not.