You really don't actually want this. This intermediate CA would still be subject to the same extensive CAB Forum / vendor root program requirements (audited yea

You really don't actually want this. This intermediate CA would still be subject to the same extensive CAB Forum / vendor root program requirements (audited yearly via WebTrust) as a root CA. There are a ton of requirements, including mandatory response times, that inevitably makes this require a fully staffed team to operate.