Jennifer’s pretty ignorant. The PJ Media article on “Catalist” from a few months back clearly shows that Obama won in 2012 by ditching indies and focusing on driving up his base turnout. It was both cheaper and more effective than moving towards the center.
The tactic is to inflame the base to motivate them to vote.
And the National Review article she references gives both the Obama 2012 campaign and the Bush 2004 campaign as examples of campaigns that won by appealing to the base rather than moving to the middle. Apparently she forgot those 2 examples - either that or she didn’t read the article.