Lack of redundancies on Boeing 737 MAX system baffles some involved in developing the jet – The Seattle Times

https://www.seattletimes.com/business/boeing-aerospace/a-lack-of-redundancies-on-737-max-system-has-baffled-even-those-who-worked-on-the-jet/?amp=1&utm_source=twitter&utm_medium=social&utm_campaign=article_inset_1.1&__twitter_impression=true