The problem, at least what I remember, was that each state had a different voting style. Some had punches, some had squares you filled in by hand. The chance to

The problem, at least what I remember, was that each state had a different voting style. Some had punches, some had squares you filled in by hand. The chance to make mistakes and the like was there (crossing out a square or double punching) and some voting booths/voting locations only allow straight votes (all x or y party only). Voting machines were designed to make those mistakes/situations less likely.