That would address most of the concern about the boats sinking, because every passenger could safely wear a floatation device. However, they're unsafe in other

That would address most of the concern about the boats sinking, because every passenger could safely wear a floatation device. However, they're unsafe in other ways. The 2015 crash in Seattle, which killed 4, was caused by a snapped axle. When I read that the duck design was "stretched" by someone with zero engineering training, that sounds awfully suspicious. An additional concern is the the safety & maintenance records themselves. As part of the settlement in Seattle, the company admitted to 463 separate violations: https://www.seattletimes.com/seattle-news/transportation/ducks-admits-to-463-safety-violations-to-pay-222000/ https://www.seattletimes.com/seattle-news/transportation/duc...