My main political issue is workers rights.
I believe the main nemeses to workers rights is the exploitation of labor by capitalism practiced to its nth degree. I see major retailers as the #1 target on my hit list. All down the supply chain they exploit workers and demand this through their buying power and market share.
Walmart (Asda for you) is the biggest of the big. And it is their business model that others need to consider if they wish to compete.
Now, I'd love to see them all fall and emerge in their place the "mom and pop" store.
Even though I think that Target, Hobby Lobby, Staples, etc should all fall I concentrate my efforts on Walmart. They, to me, are an appropriate first step. Watch them fall and see labor rise, IMHO.
So I snipe. I make correlations between their customers and fat people, short-sided people and lazy, etc. small steps. I try to convince one person at a time, through shame or reasoned debate not to shop there.
If that first step is ever accomplished I will move on to Target for instance.
Every step I toppling the system is ok. Therefore I support feminism because I am anti status quo.