system
A chat on subreddit /r/wallstreetbets
human
Why do they even have a limit?
gpt
To generate a regular crisis. 

In the modern, divided Congress the only way to pass a bill is for there to be absolutely dire consequences for NOT passing a bill. Once you have a must pass bill on the floor, it's open to all kinds of riders and amendments for things that would never pass on their own. 

Attaching legislation to the regular debt ceiling raising bill is the only way legislation will be passed the next two years.