Self-Help Credit Union?

I’m looking for a relatively democratic credit union that has a good track record for positive social impact. From that perspective, what do y’all think about Self-Help Credit Union?

Now that first sentence contained about 5 words that are super-subjective, so please apply whatever values you want in answering my question.

I started my search using the NCUA’s list of MDIs, and based on that I haven’t found any near me that will accept me. (Although my search continues, including talking to actual human neighbors <gasp>.) Self-Help lets anybody join, which is why I’m asking about them.