Earlier quoted context omitted.
That's never going to happen. Too many people are affected for congress not to act before the tax bill comes due. The economic effects are too large for them to ignore.
Much like the economic effects of not passing a budget, or the economic effects of a temporary government shutdown for petty reasons?
If government shutdowns meant a huge chunk of the voting population (across both parties) was suddenly going to owe thousands of dollars in extra taxes, you can bet they'd never happen.