I’ve heard a lot of kooky ideas about why John Roberts voted the way they did. A number of people are convinced that the NSA wiretaps of the Chief were used to blackmail or extort him (not sure what the Chief’s role in appointing judges to the FISC court plays here). The craziest theory I heard was that the Roberts’s adoption of children was not done properly, and the powers-that-be threatened to reveal that and take his kids away. Do a google search for John Roberts NSA Blackmail. Remarkable!