"The administration did not realize that 38 million Americans lose their food stamps under a shutdown, nor did it know that thousands of tenants would face eviction without assistance from the Department of Housing and Urban Development.
. . .
"The relationship between the length of a shutdown and its impact is not linear. A 30-day shutdown is not ten times as damaging as a three-day shutdown. It is probably 100 times as damaging.
. . .
"Voters in general tend to blame the president for problems. This holds true even when Congress is responsible for the problems, but it especially holds true when the president personally engineers the calamity and announces beforehand on camera that he won’t blame the other side for it.
. . .
"The wall is not a product of conservative immigration policy, it’s a messaging device devised by Trump’s campaign to get him to discuss immigration and to help him stand out from other anti-immigration conservatives. Immigration restrictionists like Mark Krikorian and Heather MacDonald frankly tell the New York Times they don’t care about the wall."
http://nymag.com/intelligencer/2019/01/trump-shutdown-government-did-not-know.html?fbclid=IwAR0lujl1qFGT68gNpDV7vSO0wRvzcugkituQ5_ZuIyJKTpWyyQhMFJ-rA1E