I don't understand it. Their conclusion says "we challenge the assertion that safety cannot be protected without compromise," which the way I read it means something along the lines of "we believe it is possible to protect public safety without compromising privacy." But the rest of the letter seems to imply they want to find a way to in fact compromise that privacy.
Re: DOJ – International Statement: End-to-End Encryption and Public Safety
#21Then they should explain explicitly how this can be made to happen. As sibling says, patches welcome.