[Dismounted]

Originally Posted by voter

I don't mean somebody checks the vbulletin license server, but any other server before allowing users to get an access to a code or other bbcode or a forum.

In other words one implements the possibility to define in options his own license database server.

That would mean revealing the schema of the licenses database - not something that people do willingly. Also, that would mean more work to make it "modular" - note that a lot of the systems are interconnected, it's difficult to "pull" a single part out.