It is not just slower (allowing for a bunch of court stuff to be tried) it is often less accurate. votingrightslab.org/2024/02/27/b...

Ballot Hand Counts Lead to Inaccuracy - Voting Rights Lab

In recent years, a troubling trend in voting policy has emerged: efforts by state legislators to either ban the use of electronic tabulators or impose unworkable requirements on their operation, effec...

True, though note that here the hand-count rule would have mandated the hand-counting of physical ballots, not the hand-tabulation of results