Nation-scale political movements are rarely 100% or 0% anything, but I don't see how you could read that entire section and go "yup, that all sounds like socialism". Opposition to social welfare, soliciting the involvement of businesses, going after unions and the left.

Vox has a pretty good explainer of the differences between Hitler's National Socialism and socialism. https://www.vox.com/2019/3/27/18283879/nazism-socialism-hitl...