NYT has a Page 1 story on how the current imbroglio came to be. Note:
To many Americans, the shutdown came out of nowhere. But interviews with a wide array of conservatives show that the confrontation that precipitated the crisis was the outgrowth of a long-running effort to undo the law, the Affordable Care Act, since its passage in 2010 — waged by a galaxy of conservative groups with more money, organized tactics and interconnections than is commonly known.
Read the piece, and know more. Like income inequality, poverty, and the rest, none of this is the work of Chance; it’s planned. The execution may have gotten sloppy, but it was planned. Note, too, that spending cuts in the CR, if it becomes law.