Speak the truth on hacker news and get voted down. Here's the truth: Facebook: promised your data was private so you could open up with friends, then made data public by default, allows friends to leak your data. now spreading data all over the web.

Google says "do no evil" yet arbitrarily punishes websites with ranking, cancels people's adwords and adsense accounts, and employes (apparently) zero customer service and has no interest in resolving any issues people might have.

Microsoft- do I really need to go over the history of microsoft's lapses in integrity?

Dell-- was making all of its profit via kickbacks from intel and failed to report it to investors, denying investors an honest accounting of how its business was really cratering.

I could go on....