You may recall a TUAW post last week about a shareholder lawsuit spearheaded by Greenlight Capital fund manager David Einhorn. The lawsuit essentially claims that Apple isn't doing enough to make sure that shareholders are receiving the benefits of the company's success, and contests a proposition to add a requirement to Apple's charter forcing any move to issue preferred stock to be approved by common shareholders. Apple CEO Tim Cook, speaking at a Goldman Sachs investor conference today, referred to the lawsuit as a "silly sidesho