If I rename or simply edit a question in the survey the CSV will put the results in a different column breaking the automatic processing of the CSV files. We use the survey to ask our customers what products they want for each delivery. Then we use the CSV to generate labels for the shipping as well reports for the production lab. having this information spread on multiple columns of my CSV file is making my work much much more difficult.
Answer to the same question should always should appear in the same column. If I want a different question I create a new survey, I don't edit an existing survey.