Incorrect. They literally declared "we were phished", in plain words, describing how they were phished and the resulting attack. To say this does not "accept responsibility" is bullshit. You don't get to light the torches and grab the pitchforks to go chase some stranger who exposed
you to vulnerability. They are human, they failed, and they're dealing it with professionally.
I'm assuming from your tone of "I demand his head" that you were running the compromised extension, and wish to extract your pound of flesh from the person who compromised you. (EDIT: If not, what's your beef with them? Are you a competitor? Please explain!) This, too, is wrong. And here's why we don't play the blame game when it comes to human failures:
You chose to run a Chrome extension, from an untrusted source, with only machine automation vetting its contents and auto-update ensuring that you get the latest attack. Of course you got compromised. What else did you expect? How could you place ultimate trust for all content in your browser in the hands of an OCR extension?! What on earth could compel you to accept such a ridiculous risk in exchange for this?
Everyone's human, you included. They clearly stated and accepted responsibility for the incident. Now you need to stand up and accept responsibility for running unvetted code in your browser. (EDIT: Yes, it's machine-vetted. How's that working out for you?)
There's more than enough blame to ensure you get an equal portion. Being human is bad enough without people coming to destroy you because they'd rather not confront their own failures of judgement. Get over your immature desire to get your vengeance for being compromised and build a better approach to your own personal security.