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.
And who one that committee is going to propose we ban the production and consumption of meat, if none of those people are opposed to it?
How do you expect the populace to react if no one understands the reasoning and ethics behind it?