This is way different than a government shutdown. This is the US defaulting on its debt and not paying its bills. SS checks not going out.Shutdowns in the past have not been politically good for the party pushing them.
Don't plan any vacations to national parks any time soon.
It's just amazing how Republicans only threaten this when Democrats control the White House. When the Republicans have total control of House/Senate/Presidency they of course pass tax cuts and have no concerns when it comes to deficits, then they wait until Democrats have the White House and they get control of a branch of Congress and go the brinkmanship route to "cut spending".
They're just so comprehensively full of shit.