I feel this very first season is still part of the "making sure everything works well" process. Hence there is not many item that would be "worth it" for some people. Personally I am noteligible for blueprint nor puzzle piece, but only for permit and 5-stars boosters as rare item.
I don't like getting xp so won't claim it. As for BEM/SEM/LEM, I wish the items offered are our rare/of our choice rather than random stuff we don't need.
As rewards change every season, whether the Pass is worth it will change each season.
Valley perks: with valley ending in a few days, this perk won't be much helpful till next Valley.