> But in the context of what an individual can do 10%-20% is nothing to be sniffed at. If collectively it means 0.00000001% change I don't find it provides muc

> But in the context of what an individual can do 10%-20% is nothing to be sniffed at. If collectively it means 0.00000001% change I don't find it provides much "I did a good thing" value and the time would have been better spent fundraising, petitioning politicians, or maybe even just raising awareness towards say... improving a law that makes a collective 1% difference.