If you don't trust computers, at least make sure that the paper process is efficient / staffed. You cannot blame people for abstention when they drove 1+ hour to come, and still weren't able to make it pass the gate on time.
I am fine with spending 1h if there is no alternative. I am *not* fine spending 1h when a 5mn solution exists, but was denied to me by people who will be using a different process anyway. Not to mention that it had actual implications on the fairness of the election itself.