Rachel Notley B.C. wine humour

I'm not an oenophile....what's B.C. wine?

Rachel Notley, premier of Alberta has started a trade war with B.C. but stopping all imports of British Columbian wine. This is in response to B.C. imposing stricter regulations on oil flowing through B.C. from Alberta. So... all in fun people from across Canada have started to buy more B.C. wine!

I understand now.....had no idea this was going on.
Thank you!