You do not have to "sign up with a core ideology to be supportive of open source". If you feel morally obligated to express your opinions on the issue often, a

You do not have to "sign up with a core ideology to be supportive of open source". If you feel morally obligated to express your opinions on the issue often, and is worried about the time it takes, I humbly suggest a blog post with a short-ish url.