>>96140888
Marines are less well armed and weaker than Thallax but have the advantage of fighting as a well co-ordinated team of soldiers and not a horde of nerve stapled psychopaths caught between agonising pain and drug induced euphoria.

Unless they're the Emperors Children I guess.

>>96091354
I'd really expect the mechanicum to be the ones abandoning gender and sex as abstract concepts and not the Custard creams.