I would not check the box if it was presented to me.
Nor would I.
Supporting the education of newbies at Geocaching 101 type events is fine, however that is as far as the association needs to go down this path. It is not within the mandate to become the geocaching police for Groundspeak.
Besides, someone already mentioned on this thread that BCGA members are the type of geocachers that would already
inherently have an elevated understanding of good conduct for the game. This is a very good point.