Interesting perspective on customer acquisition, conversion, and "growth hacking"

I thought this was a really interesting way of conceptualizing the two fundamental extremes of using marketing / growth hacking to grow your customer base.  The most interesting thing is that there seems to be some really good support for navigating the middle ground.  Check it out for yourself and let me know what you think in the comments: Two ways to look at growth | Aaron Ginn's Thoughts