Why are comedic parts for women the exception, not the rule?

And now oddly I'm getting sexier parts than I've ever gotten.

And now oddly I'm getting sexier parts than I've ever gotten.

These archetypal older women in movies can sometimes make my skin crawl. It's about the one dimension; it's about the lack of any texture.

I never make exceptions. An exception disproves the rule.

The exception which proves the rule