Of course, many probably wants more customisation, but that involves more development cost as the "realism" of characters increases. Faces are often scanned now rather than driven by algorithms, which can make modification morre difficult; and bodies often kept to a "standard size" to avoid clipping problems with the multiple layers of adornment.
I hope that over time Larian do find a way to make more options available with their chosen character technologies, as I suspect the current palette will feel rather dull over time.
