Chiang Wen-yu holds that this is a result of people with higher levels of education having to speak Mandarin at school for all those years and then in the jobs they are likely to get thereafter.
江文瑜認為，這是因為高教育背景的人不管在受教育的過程，或是後來工作的環境裡國語的影響都很大，使得台語程度越退化。