No coriolis effect when the barkeep pours drinks on Ceres.
Drummer apparently towed the Dewalt which has no engine cones that she destroyed with a missile 6 months ago, for past 6 months, and during all that time didn't transfer supplies over to the Tynan.
Avasarala continues not to grant the Belt independence, even after 6 months of additional devastation, while doing so would end the war, save the Eart, weaken and defeat Marco, cause most of Belters fight for independence, not for Marco.
Drummer fails to use a short countdown ("3-2-1-Mark") when ordering Michio to fire the port thrusters on her signal, contributing to her error. It is standard procedure even these days in aviation and seafaring.