I can imagine an automated audit which might be useful. To ensure that the minified version of a package is the same as the normal version. Setting an easy way for anyone to verify this change sounds straight-forward, although perhaps not easy.
I see a direct parallel between trusting binaries and trusting minified source. For those who are not familiar with Ken Thompson's paper "Reflections on Trusting Trust", I highly recommend reading it:
Reflections on Trusting Trust
Communication of the ACM, Vol. 27, No. 8, August 1984
We're a place where coders share, stay up-to-date and grow their careers.
We strive for transparency and don't collect excess data.