Not to worry, this is all discussed. Technically, the string makes it a series of doorways which together make up a wall. An actual wall would not have this iss

Not to worry, this is all discussed. Technically, the string makes it a series of doorways which together make up a wall. An actual wall would not have this issue, as having a majority of the wall up would be enough to deem any opening a doorway/gap in the wall.