>>96551834
>Because primaris was Kirby's attempt to AoS 40k but when that flopped they pivoted hard but primaris were too far into production
The "actually we've had super duper Marines in the freezer since 30k lol" plot point always felt very last minute to me.
Wonder what the original explanation for Primaris was before GW got cold feet. My money's on a bigger timeskip between 7 and 8.