Maggie's voice wasn't Liz Taylor???

I guess I just don't understand.
According to this little zeenews article, Liz Taylor's voice was too sexy to use for Maggie.

Does anyone know more about this?

“She was to play little Maggie, saying her first word. We did 24 takes, but they were always too sexual,” a New York daily quoted Groening, as saying."

Really? Thats ... odd...
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