The 21 day shutdown of 95 -96 was the longest and the Pubbies willingly owned it. The Pubbies caved to the Dims when they realized that no one was missing all of that essential government. The Pubbies, especially the big compassionate government Pubbies now known as the GOPe, got worried that they were on the verge of permanently shrinking the government and ended it.
Something like 4% of the country's population actually wanted the shutdown to end.