A critical part of the alt-right plan is to distract people from the real issues with angry rhetoric and false news. Bannon is a master at it, and Trump is his obedient puppet. 
Meanwhile, they slipped past edicts that overturned the regulation that financial advisors must act in the interests of clients, (mainly pensioners), overturned the regulation that oil companies must report bribes to foreign nations, and began the process of overturning bank regulations enacted after the 2008 fiasco which bankrupted many Americans and caused hardship around the world. 
It's extremely likely that the Whitehouse lawyers told them that the Muslim ban would be illegal, but they did it anyway to distract people from the other issues. 
A masterful display of evil.