Perhaps so, however that is only a question of degree. The argument I referred to was made in support of a rule that would punish those same NPC domains that he created - they are "multi-focus" domains. My point is that he has argued that such domains must be discouraged with an arbitrary rule with no in-character justification, yet he designs just such domains.
If you don't see the inherent flaw in that, oh well - you can lead a horse to water and all that, right?