I absolutely agree. I hope they will expand on the reward traits and give us some more meaningful "game changing" ones.
Like I usually get the friendly and observant one just because it gets boring having to "get to know" to find out the traits, especially when your sim is skilled beyond belief and it's hard to even find the interaction in the cluster of socials you get from levelling up skills. The friendly one is nice because they become friends right away but there isn't much else of value in the reward store, I use the youth potion and the lose weight one but that's about it.
I really like the suggestions in the thread ^^