Balancing the federal budget has a simple-minded, intuitive appeal, but it’s not actually necessary. The nation is not a family; and even families don’t balance their budgets from year to year. (E.g. mortgages.)
Paul Krugman has discussed many times, but it’s nice to link to another source.
You’d think even Republican politicians would understand this, but of course, they’re playing to a base that doesn’t.
Which of course supports my Provisional Conclusion #8: the resistance by believers to anything that would threaten their worldview.