@cjd You know the modern industrial welfare state was introduced by conservatives? By Otto frickin Bismarck? It's not a good signal to point to and say look, socialism.
The connection between public healthcare and concentration camps is such a mindboggling take I don't even know where to begin. There is nowhere to place the slippery slope, helping people live and killing people are opposite things.
What evolved into holocaust was Hitler's wish for a holocaust. It wasn't like "hey let's treat people's tuberculosis" led to "while we're at it let's also destroy the 'unworthy' races". It's perfectly possible to do one without ever doing the other.