OpenAI is breaking Silicon Valley's unwritten code. That's why Apple is so angry.

OpenAI CEO Sam Altman Kevin Dietsch/Getty Images OpenAI refuses to play by Silicon Valley's unspoken rule. In Facebook's early days, Sheryl Sandberg pushed back in similar ways. This is why Apple is so mad right now. For years, Silicon Valley has had a comfortable way of digesting disruption. OpenAI is refusing to play by these unspoken rules. That's my takeaway after reviewing Apple's angry lawsuit against the AI startup, and coverage of the blockbuster complaint. The usual Silicon Valley…