They hate the sun for making the world warmer, since that causes climate change, they hate the winter because the sunlight isn't reaching the Earth the way they want, thus, causing climate change. Prepare for cringe because these people are INSANE and does not know what is their point and what they are advocating for anymore, since the world has been cooling.
Reason for the Extinction Rebellion protests https://www.minds.com/newsfeed/1029928905586937856