"A little about me... I am a search marketing consultant,and I love everything about marketing and emerging technology. Growth Hacking is my strongest skillset, especially when leveraging search engines."
While I'm not sure that what you're doing is technically astroturfing, it's still equally as dishonest.
First, none of the links described in TFA match your "guidelines" to "Good offsite SEO", so even by your own admission this is not "Good offsite SEO".
Second, there is no such thing as "Good offsite SEO", since any "offsite SEO" is by definition either link farming or gaming the system. The entire point of the Penguin update (if I'm not mistaken) was to prevent quite literally all "offsite SEO" so google can rank your page according to your content, and so they can reliably weight incoming links. If an incoming link (that is not on your site!) has been SEO'd then by definition it is not an organic, quality incoming link.
Third, you state "this is legitimate link acquisition and its what all SEOs do today", which undermines the entirety of your post since link acquisition is by definition not organic, nor does it produce "quality" inbound links.
But hey, since "its what all SEOs do today" it must be kosher.
Edit: Just to address your last point (not to pile on or anything, but I feel like it's important), I'm pretty sure this is a willful conflation of two totally separate concepts. Since, you know, everyone who's ever done any sort of SEO knows that if you want to drive traffic, but not pay the penalties for link farming, you use rel="nofollow". Which Expedia/ the blogger did not do.