Boycott

When companies do something evil, that's bad usability.

4) Personally, I still think that Amazon is a bunch of jerks. (Yes, the core problem is that the USPTO is utter bullsh*t.)
3) I hope that Sony never sells another CD.
2) Target denies prescriptions.
1) Wal-Mart seems to be about as nasty as you'd expect from a capitalist corp.