We have to do it. Some of us have to do it in different ways. Doing small things where you can is all well and good but literally none of us are making a single impact in capitalism by making different choices about how we're forced to participate in it. Focus on tearing it down together rather than picking apart individual choices because those individual choices still result in participating in capitalism.
The comment definitely wasn't aimed at you or anything, just a general comment on the state of the site in response. But as for the beliefs of indigenous people, the right to self determination and leaving them to practice their culture in peace is what I've always thought. They've had enough of other people telling them how to live their lives, and so long as nothing very reactionary is occurring, it's really no one else's business.