Just because they are lesbian ls does not mean they are not conservative.
Maki is rich and probably endorses capitalism.
Rin likes cute, girly things even though she looks like a boy.
Hanayo is introverted just like conservative girls.
Honk is autistic, just like everyone on /pol/
Don't need to talk about Umi.
Kotori is very feminine and Umi and her would not get along if their political views didn't match.
Nico likes purity, like a Conservative girl
Nozomi has a very long hair (left dykes cut them) and works as a shrine maide. She didn't have a breast reduction just like big boobed feminist girls.
Eli is a child of Russia and knows communism is bad.
Source: the roots of the conservative minds in Love Live!, by Sir Roger Scruton