"Pure laziness" is used to describe someone who consistently avoids or neglects work or tasks due to their lack of motivation or effort. Full definition
Out of pure laziness, I turn to the emailbox for post fodder: I'm not angling for a post here, I just really want your thoughts on this stuff. (firstthings.com)
While the article is fairly informative, the above quote is just pure laziness. (religion.blogs.cnn.com)
Basically pure laziness and holiday food got me! (glassofglam.com)