When you say "it's in the body parts", it isn't any change you make to the V4 CR2; what you do is place all the relevant files in the relavant directories, with relevant contents (this is the massive amount of labor to do by hand that I was talking about, it actually wouldn't be that bad if it was all done to the CR2) and then you run the "Update V4/M4" utility, which goes and enumerates all the files present in whichever directories, and creates a number of updated pose files to go and load all that crap for you.  The actual V4 CR2 that was written by the DAZ installer is not changed at all.

You won't be creating a single ExP file, you'll be creating two files for every body part (one for the channels themselves, and one for parameter dial grouping) AND a separate pose file containing the deltas for each morph.  Plus a pose file for the linkParms settings, although possibly you won't care about these.  As complex as you probably think it is, wait until you really dig into it, it's a lot worse than it looks (and it looks bad initially).

The thing is, the process isn't made complex on purpose, it's all done this way to take advantage of unintended behavior in Poser.  The manual process probably couldn't be made a whole lot simpler than it is.  The lack of free tools to automate it and make it less painful though, yeah that's a "business decision".

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