I suspect there's a very real fear that their surveillance capabilities will completely go dark and they'll have just no way of going the extra mile on intel gathering when it's sorely needed.
I'm not a supporter of this but I do believe there is a genuine, good faith act here.
Their primary mission isn't the discovery and publication of critical zero-days but it doesn't make them good faith actors if they occasionally do when it's both convenient and strategically advantageous.
I'm not a supporter of this but I do believe there is a genuine, good faith act here.