I looked into this, and actually, it seems like maybe you can? https://man7.org/linux/man-pages/man5/proc_pid_oom_score_adj...
So, in actuality, I think your assertion just taught us all something, because despite knowing that the OOM killer and that the Magic SysRq key[1] exists, I didn't know you could configure this as an input!
I'm aware of it, but it's awkward to use in practice. You have to track down all the FF processes, each time you run it, and adjust all their scores.