I think the problem with such a credentialing body is that within 5 years, the regulatory capture it would experience would make it perverse and useless. Just

I think the problem with such a credentialing body is that within 5 years, the regulatory capture it would experience would make it perverse and useless. Just because you have a technical, or ex-technical, person in charge of your team doesn't mean it's going to be well managed. I'm sure that's something we've all seen. Every reason that is true will apply to the guild, in addition to the usual ugly prejudice, artificial supply constriction, and self-destructive conservatism that all real guilds, associations, and unions display.