I mean, they were against capitalism, and advicated the nationalization of services like health care and public transportation. These are socialist values. They even claimed many Christians were political enemies of Germany.

Granted, later on it would likely be more accurate to call them “Hitlerists,” because Hitler literally didn’t care about socialism or nationalism and used them only as a stepping stool to get what he wanted. But the point still stands that their values that got their party to popularity were socialist in nature.