https://www.news.com.au/national/politics/greens-cofounder-expelled-from-party-after-trans-and-queer-cult-claim/news-story/0f70e3e76e444557d1eb86da22b78cda

A boomer co-founder of the Australian Greens party has had his membership revoked by the new transgender administrators of the party. This begs the question of why transgenderism is the ultimate sacred cow of the (hard) left?
Given that they represent a tiny minority, how can these leftist parties ever hope to pose a credible political alternative to the status quo?