open source documentation

Does open sourcing your code help with attracting top talents? Can publicly sharing your projects' documentation turn into a selling point in your company's recruiting pitch? Is this the best way to recruit software developers? If so, is publishing your code in a public repository enough to make the experts “flock” to you? Or does this call for a more complex, impeccably-implemented... strategy instead? Is there truly an... art to making your repo stand out and stir great developers' interest? What's the effective way/mindset for turning open sourced code into an effective recruitment tool? 
And this is your chance to shine in the open-source world! For, even though everybody agrees that poorly-written documentation is still a “popular” issue on Github, very few maintainers put the effort needed to write user-friendly, well-documented docs for their open source projects. In this respect, here's a guide for you on how to write great open source documentation: But does that even exist? A great open source documentation, I mean...