More polish for why section

Author: takluyver

_posts/2009-01-02-why.md

@@ -6,15 +6,13 @@ fa-icon: 'question'
 style: center
 ---
 
-# Why should I care?
+# Why switch to Python 3?
 
-The reasons behind why Python 3, and why it is time to move forward have already been lengthly explained online.
-Here are some interesting resources:
+Here are some resources on why Python 3 was created, and how and why to update
+code to use Python 3:
 
 - [Why Python 3 exists](https://www.snarky.ca/why-python-3-exists) (Brett Cannon)
 - [How to add Python 3 support to your code](https://docs.python.org/3/howto/pyporting.html)
 - [Stop supporting Python 2.6 for free](http://www.curiousefficiency.org/posts/2015/04/stop-supporting-python26.html) (Nick Coghlan)
 - [Why Python 4.0 won't be like Python 3.0](http://www.curiousefficiency.org/posts/2014/08/python-4000.html) (Nick Coghlan)
 - [SciKitBio Py3 Only RFC](https://github.com/biocore/scikit-bio-rfcs/blob/master/active/002-py3-only.md)
-
-Feel free to contribute more links