Hmmm. Where do you get that from this article, or his blog post?
Sure, he did get the 23andMe interview from a friend. But Google? and AirBnB? and Yelp? and Uber? and Twitch? Man, that would be a lot of connections.
Ben Horowitz carefully orchestrated a bidding war when it came time to sell his company. Qureshi "cracked the coding interview" and then orchestrated a feeding frenzy of a bidding war.
A well-played hand. ;-)