Maybe instead of having points allocated to the hearthlings themselves you could have a set pool of points that you can allocate for everyone like some RPGs, but just for your initial settlers, with new people having random stats. Everyone starts with 1-1-1 of course so you would need 35 points to max one stat out for each of your 7 hearthlings, Maybe something like 50 or 60 points total to be allocated. You could use that to make a couple of hearthlings super powerful but the rest of your settlers would be terrible, so you’d have to balance things out a bit.
I also Kindof like the idea of allocating traits as well. Perhaps with a negative trait being randomly assigned for any positive one. Maybe the whole idea of all of this is a bit too micro-manage-y but all i know is I spend quite a bit of time rerolling at the beginning so that I have starting jobs with at least a 4 or 5 in the stats I want for it.
Also, traits should perhaps have a minimum set requirement to be eligible on a hearthling. A 1 body hearthling that dreams of being a knight isn’t exactly ideal, especially since there’s no way to grow the stat you want except for temporary buffs.