How could it not? From various organizations letters to Labor and Treasury, there are many requests for technical corrections and guidance on SECURE 2.0. If those go unanswered for an extended period, practitioners end up functioning in the dark, making educated guesses, or simply not acting at all.
Also, what about determination letter and plan termination filings (IRS and PBGC) that could get substantially delayed?
This doesn't even consider the implications from the general economic meltdown that could happen. Any government shutdown and default would be bad for everyone, except maybe the handful of politicians whose election platforms were to blow up the economy.