1. The human context is not arbitrary. For example, it is unlikely that there could be a human moral system where torturing babies for fun was acceptable.
Acceptable to whom and upon what criteria? Self preservation. Fear. Psychological fear, horror, and cultural conditioning. If I'm a serial killer and I like torturing babies, you have no intrinsic moral template, valid not only for you but for the universe as a whole, by which to judge my antinomian morality. This is the categorical imperative. As long as torturing babies is fulfilling
for me, in Dawkin's world, this is as far as we can go epistemologically. You may quite rightly incarcerate or kill me for so doing, but you cannot
judge me, at least not morally.
2. If the social context provided by an infinity of gods and other beings is enough to provide meaning then why cannot the context of man? In either case we just have a community of intentional beings (beings exhibiting intentionality).
Meaning isn't provided just by the social context. The Celestial Kingdom is not a glorified country club. Meaning is provided by the bare actuality that an intelligent being can acquire, immerse himself in, enjoy, and apply truth, knowledge, wisdom, and power without any fear that there will ever be a time when he will cease enjoying and immersing himself in, and applying the attributes he has acquired.
"Man
is that he might have joy", and this joy is precisely an infinite characteristic; it is not time bound, and hence, has
inherent, cosmic meaning beyond our own subjective psychological constructions.
The face of sin today often wears the mask of tolerance.
- Thomas S. Monson