Balance: Should characters have a point budget like a Warhammer army?

I find much more sense in a game that give you a lot of good choices than a game that gives you some bad and some good, why would i ever want to play something bad? If to play powersword i can only select crappy autopistol then i will be powersording 90% of the run. If game gives me a balanced powersword and a balanced autopistol i’m going to use them 50-50.
I think you are getting the wrong assumption that “balance” means being equally good at doing evrything.

Because it’s a tradeoff. Maybe you’re fine with a shovel just being a shovel and not a perfect equal to a venerable relic power sword if that allows your plasma gun to actually be a plasma gun and not just a sidegrade to a random autogun.

No weapon should be perfect equal to each other, that would be boring, all weapons must have their different srtreingnths and weaknesses. If you use an “accurate venerabile relic of power” you can change the name of this game in walking simulator WH40k.