I'm actually quite impressed by the Centre's statement (my bold):
The Brighton Centre issued a statement prior to the start of the conference.
A spokesman for the venue said: "We understand the anxiety and stress that many of our trans, non-binary and intersex residents are feeling at this time.
"As a city, venue and a council, we will continue to strive towards our unwavering commitment to creating an environment where everyone feels a sense of belonging.
"The Brighton Centre has a long history of hosting events that represent a diverse mix of communities and perspectives.
"Individual events represent a wide cross-section of opinions that should not be attributed to those of the attendees, audience or venue staff but are reflective of a democratic society.
"It is not our intention to create division but to host a range of conferences, that meets the needs of all people in the area.
"As a conference venue we seek to provide a neutral space for hire and always seek to ensure we do not show bias to any group or individual but that we protect the principles of freedom of speech, as long as all our booked events operate within the law and in line with our venue hire policy."