This makes some sense. On personal experience, alcohol can facilitate group discussions too. It's social, everyone talks open ideas, and can stretch a little

This makes some sense. On personal experience, alcohol can facilitate group discussions too. It's social, everyone talks open ideas, and can stretch a little more. But it's much worse for deep thinking. It's also worse for thinking 2nd or 3rd order effects. (Or consequences) Coffee is great for productivity, but it's very much a "Stay on target... Stay on target..." type of drink for me. This is somewhat consistant with the article.