The shows audience ratings reflect that the makers have misjudged the viewers loyalty to a show and made it a messaging platform for some sort of LGBQT agenda.
The audience are quite traditional and conservative about what they are willing to accept being shown to their children and young adults.
In short stop turning a well established character representing a superior Alien race into some Gay song and dance parody by all means represent the diverse races no problem with his colour or if in female form and certainly have the characters reflect society as it actually is not just in London.