Coinbase fired engineers who wouldn't use AI. MIT found ChatGPT users couldn't quote their essays. So which is it? Brian Armstrong gave every Coinbase engineer one week to get on Cursor and Copilot. The ones who hadn't got a Saturday meeting with him. Some of them got let go. He admitted on a podcast that it was heavy-handed, and he did it anyway. Meanwhile at MIT Media Lab, researchers put EEG caps on 54 people and had them write essays. Some used ChatGPT, some used Google, some used…