It’s not hard to understand. Reading is hard.
http://www.slate.com/articles/news_and_politics/scocca/2012/06/roberts_health_care_opinion_commerce_clause_the_real_reason_the_chief_justice_upheld_obamacare_.single.html
What is your point? Is your point now that Slate is the go to source for analysis?
That was a very incisive thread you linked