Now Daria's responses to problems were frequently presented as childish, stubborn, and narrow-minded.
Daria would regain some of her sharp mojo in the final movie of the series, Is It College Yet?
Rather than mature Daria's sharp, cynical nature, the writers seemed to want Daria to shed it.
"Give people a chance" and "adjust to differences" were common themes, especially in Season Four.
Her negativity was just fear of getting too close, of course.