Many of my friends are crunchy on some level, especially the ones that are parents. Particularly after I became a parent and all those things mattered so much more to me, then I started making more crunchy parent friends. Even if they're not "crunchy" per se (usually my friends w/o kids), I tend to be friends with people that are fairly mindful and intelligent, so it works out okay. That's really what matters to me. Ignorance gets old pretty fast.
The particulars of it don't much matter. Vaxing, diapering, and all that are just personal choices. It's cool to have that in common with other parents, but certainly not something I'm going to start judging on. I'm way, way beyond that (if I do say so myself

).
I think most of my friends have certain so-called crunchy ideals, but different ideas about what that means. IE, bettering the world. Being conscious of our effect on others and the world around us. That type of thing. I dig that a lot. I just like people who *care* and don't get caught up in all of the frivolous things in life.