artists working together on a game doesn't mean "mimicking" the original's style, it's about working together on each others strengths and weaknesses. If that's what you're on about
Actually that is mimicking, but there's nothing wrong with that, since mimicking artstyles is actually one of the largest things anyone would ask for from a person since they can adjust easily. I would even dare say, I respect mimicking artists because of their prowess at it.