Answer:
some positives about having good communication skills are maybe that people would like to talk to you more and can hold a conversation with you, they may also feel like they can talk to you.
Some consequences about not having good communication skills would be not being able to talk to people or people wouldn't really want to listen to you. Especially in politics, you couldn't persuade anyone if you weren't able to talk to someone well, nobody would listen to your ideas.