Unfortunately the headline for that article doesn't, to me, reflect the letter that's published at the end.

They say that they're not targeting encryption directly, but they still say that they essentially want a back door into all communications systems, which is going to necessitate either getting technology providers to give them one, or banning of those that don't.

(of course it also won't even come close to achieving their goal, but I somehow don't think that'll stop 'em)