I had thought the first part was already implicit in our discussions, as a sort of technical benefit/cost decision.
As for second part w/r to access, which is the big issue here, something like the Precautionary Principle might be of help.

Sam L.

On 2/21/2017 4:57 PM, Gomes, Chuck wrote:

Should we add this to our list of principles?

Andrew Sullivan <ajs@anvilwalrusden.com> wrote:

I really do think that would be an excellent principle to embrace: if
a given datum is on balance helpful to the operation of the network
and its absence is likely to cause worse operational conditions
(especially long term), then its collection is acceptable.  Access is
a separate question.

<rest deleted for brevity>