You're saying those photos are real? Don't 'insult my intelligence'. [=don't treat me as though I am stupid; don't expect me to believe those photos are real]
Most people were forced to work longer hours each week, and to 'add insult to injury', the company decided not to give pay raises.
They're understandably 'insulted' when no one asks for their opinion on a matter that affects them so much.
(..) my inheritance. I couldn't let you rise to your father's last taunt. - What taunt? - The will, Robert. That will? That's his last insult. A challenge for you to build something for yourself... ...by telling you you're not worthy of his accomplishments. - What, but that he was, um, disappointed? (..)2010 Inception