If democrats do it, republicans will just turn it around and say, “look they do it too!”
Plus, a shut down is exactly what Trump wants, so he can declare military action or something equally aggressively stupid and try repeatedly claiming the stock markets crash was somehow the democrats fault and made him do it.
I remember hearing this. Seems the smarter you are, the more likely you are of realizing something doesn’t seem right and chances of quitting increase.