We have run openldap for some years, and it runs very well, but it's a fair comment for openldap to include a simple installation script, to get a server installed for the new B. That would encourage evaluation and adoption.
OpenDJ has one, it asks for base, port, hostname, if ssl is required, etc., and optionally includes a bunch of randomly generated data for testing or proof of concept type applications. If ssl is requested, it just generates a self signed certificate and installs it. Some people have pretty straightforward ldap requirements.
People who do this sort of birds eye or top down review, aren't going to spend more than an hour or two, even if they try, which it seems this one didn't. This article seems to me to be no more than a re-hash of other people's experiences with openldap, and they did not install themselves. But the ideas re-hashed