Plainly the Environment Agency is not immune from making mistakes, not immune from being taken in by optimistic prediction models:
Environment Agency admits it may have made Dawlish sea defences worse https://t.co/oIKP0XJaKw— Devon Live News (@DevonLiveNews) December 19, 2019
Martin Davies, from the EA, said: "There weren't mistakes. The design was based on predictions which obviously we've established were incorrect."
The EA said it was legally obliged to remove the old hard flood defences, but its prediction models did not reflect the strength of recent winter storms.