According to Wikipedia, this is being coordinated by the Ideographic Rapporteur Group, and "the working members of the IRG are either appointed by member governments, or are invited experts from other countries. IRG members include Mainland China, Hong Kong, Macau, Taipei Computer Association, Singapore, Japan, South Korea, North Korea, Vietnam and United States."

So this criticism of English speakers seems pretty unfounded! And his concerns about unification is being driven by a diverse group of experts in a variety of countries - so not sure why the concern?