Only the legislature of a State may choose it's electors.
Obviously the 2016 election was not valid because no state chose its electors; instead, those electors were chosen under the laws passed by each state--the same way they were all chosen in 2020 and every other year back to the 1820s.
What electoral votes?
The ones the insurrection wanted Congress to stop counting and the ones President Trump wanted VP Pence to reject.