You've already sussed out that this is ridiculous. Just a little background. In 2013 there is no excuse for a culture of shaming people into working long hours

You've already sussed out that this is ridiculous. Just a little background. In 2013 there is no excuse for a culture of shaming people into working long hours all the time. You should have a culture focused on measuring effectiveness. The "100% in it" sounds like brogramming, or I guess bro-duct managing. If your co-workers are not pulling those kinds of hours, then presumably this guy's threats are empty, or don't apply for some reason. You should try to figure out why. Either those guys are already planning exits (cashing out/believe startup is doomed). Or maybe they just don't report to your boss. Actually, are you sure you report to this person? Often techies set up companies so that direct reporting goes through a tech hierarchy, although a politically savvy product manager will try to imply to a young and impressionable hacker that they are the boss. You mention elsewhere that it's all kinda loose, but I think you probably do have an official boss who does your performance evaluation, somewhere. I'm also in Vancouver. I've been around the block a few times although I'm just getting a feel for this city. Anyway feel free to hit me up for connections or advice. Confidentiality assured.