Is the Church of England even religiously relevant? What would be the point of a Christian going there? One certainly isn’t going to learn anything about Christianity.
Nice music, old, impressive architecture and decorations. Nice folks that sing along. Pleasant conversations, etc. In other words, not much to do with God or study, but a nice place to visit once or twice a week. //sarc//
It's still the "established church" of the UK. They need to be on hand for various state ceremonies such as coronations.
That's why it's politically relevant.
Your post is the appropriate response. If the C of E wants to become some sort of musical, art culture gay themed historical society than it should and logically be disestablished as a religious entity receiving government financial support.