It didn't sound plausible to me either, but then I found stories like these: https://www.bridgemi.com/michigan-environment-watch/report-tug-dragged-6-ton-ancho

It didn't sound plausible to me either, but then I found stories like these: https://www.bridgemi.com/michigan-environment-watch/report-tug-dragged-6-ton-anchor-days-after-denting-line-5-pipeline https://www.bridgemi.com/michigan-environment-watch/report-t... So what sounds to me like an unbelievable level of incompetence is not that unlikely.