Many VHS were subbed instead. Sometimes two versions of a popular film were released, one dubbed and one with baked-in subs. This did limit the desire to copy b

Many VHS were subbed instead. Sometimes two versions of a popular film were released, one dubbed and one with baked-in subs. This did limit the desire to copy between regions a bit, though not as much as you might think given how many people speak one of a few languages as a second language. I suspect the cost of physical distribution and good copying equipment was the key issue until fairly late on in the life cycle of VHS as a common tech. Region locking just wasn't thought of because by the time it might have made significant difference other limitations of tape based media format were readily apparent and new systems were being designed and implemented.