We really are overdoing coffee as hackers. You can put anything you want in your body, I'm fine with the concept- but hackers shouldn't recommend hackers to drink coffee.
There's a difference between freedom and a culturally shaped ritual (hackers get by with caffeine) especially if it's with an addictive substance.
EDIT: I'm ok with the downvote (and the hating too, I guess I'll see that soon), and I'll be the 1st to recognize I'm not really adding anything interesting to this conversation. Just burning some karma to let you know that there is no cultural imperative to drink coffee as a hacker, and that you shouldn't even care about that.
Enforcing the cliché that hackers should drink or care about coffee is just as pointless as saying hackers should all be males.
It's culturally made. You can get social capital by enforcing social norms, but you can also see how pointless they are.
Do what you want with your body, put any substance you want into it. Just don't use that to sell a concept (here "hackers") that people will somehow feel obligated to follow ("brogrammers").
Maybe "hackers who have trouble getting enough sleep should avoid caffeine to see if that helps". Your posts sound more like religious, rather than reasoned, abstinence.
I'm saying :
1) I shouldn't drink coffee for health reasons
2) We also shouldn't collectively define the "hacker" identity with unrelated things like coffee.
1 and 2 are totally unrelated. Yet saying 1 makes me say 2, because defining yourself as doing something or as not doing something is just as pointless. You are not a label.
We shouldn't fight for or against coffee - just make it something unrelated to the hacker identity, a choice - like vim or emacs or Writeroom or whatever, instead of a mandate and a common identity, which will necessarily exclude some people.
EDIT: And yes this discussion is not relevant and I'm sorry about it, and I should add a third point to make that clear :
3) You drink coffee if you want to. Not my problem.
Just want to let you know it's optional and you won't be any less of a hacker if you don't, and if you don't and need support, hey I'm starting a g+ community because I for sure will need some support!
If you have gone into such a religous faith that coffee or caffeine is bad for you, then you are probably the one with the problem to begin with, anything should be taken in considerate amounts. You can literally die from water; if you drink enough of it.
And this discussion isn't even relevant to the posted link.
Store beans in sealed container for 0 minutes to 1 week (flavor changes over time).
Grind with burr grinder to fine.
Brew thru AeroPress.
Don't drink coffee because it's a cultural obligation (per poster above). Drink coffee because, done right, it's awesome.