My take - Google is spinning up their CTF again this year. I found it interesting that of the 2,400 teams that competed last year, 1,500 were unable to solve a single challenge. From the article:
“Announcing Google Capture the Flag 2017 On 00:00:01 UTC of June 17th and 18th, 2017 we’ll be hosting the online qualification round of our second annual Capture The Flag (CTF) competition. In a ‘Capture the Flag’ competition we create security challenges and puzzles in which contestants can earn points for solving them…”