3080 VCA question

[Martin Czech]

::::::I always thought the Formant dual VCA a stupid solution as well.
::::::Maybe it is, maybe it isn't. I never tried the Formant dual VCA,
::::::but there is another dual VCA made from cascaded variable
::::::gm stages that sounds marvelous: The Minimoog VCA.
:::
In what respect does the cascaded VCA structure do anything good for sound?
Is it distortion?

m.c.