The legislators now know, as many of them did not in 2020, that no one can require them to certify an elector until they have performed their due diligence. That power is theirs alone, not the secretaries of state.
But the Left is also aware of this. Their game plan will factor that in. Some Democrats in Congress have already stated, in advance, that they will refuse to count electoral votes which would cause their party to lose the presidency.