They really should.
They shouldn’t leave it to Congress to override them.
The state legislatures have the primary responsibility for ensuring fair elections. And if there is evidence of fraud, they need to decertify. They need to look at the evidence. And recertify for Trump.
And after doing this, Congress should impeach all nine Supreme Court justices.
Both efforts are needed. Either desertification or a separate set of electors makes the objections work.