They have a lot of policies and I’d dare say that their polices the kinds of things that a lot of people are asking for. Here is a link to their policies page for you to see for yourself: greens.org.au/vic/policies

It is difficult for The Greens to get any kind of positive media attention in our current media landscape, which is why we mostly just hear about their stunts and complaints rather than policies and actions. The polices and actions do exist though.