Have any of Altman's critics taken a step back and realized that they are telling him that he is morally obligated to terminate a productive business relationship over political differences? Are they suggesting that half the country should blacklist the other half and not refuse to do business with them? I think views like this are a result of us segregating ourselves into very narrow filter bubbles - I think it is possible that Marco Arment for example does not personally know any Trump supporters. Scott Alexander has an excellent post about this which I highly recommend (see section III specifically):
http://slatestarcodex.com/2014/09/30/i-can-tolerate-anything...