>>151208112
No it's that they had no other ideas for Meg so they just went all in on making fun of her. She didn't really have much of an easily exploitable gimmick before that

>Lisa Simpson
If anything the Family Guy version of Lisa Simpson is Brian. He was the go to intellectual liberal soapbox mouthpiece like Lisa but when the writers realized people were starting to sour on Brian they did a complete pivot into making him not an actual intellectual but a pseudo-intellectual and all around shitty person.
https://www.youtube.com/watch?v=tVFp8KTEw-k

Simpsons has made a bit of fun of Lisa for her politics but Family Guy went full in on making fun of Brian.