He doesn't care whether he/they follow the constitution; he just wants to win.
If he/they can take over 1/6th of the economy without a vote; they can take anything they want from you. This is tantamount to an overthrow of the Republic.
http://www.foxnews.com/politics/2010/03/17/obama-tells-fox-news-procedural-spat-health-vote-doesnt-worry/