Elon Musk, entrepreneur, tech billionaire and regularly the focus of public controversy, has again made headlines-this time with a clear positioning on the topic of transgender in sport. In a contribution on platform X (formerly Twitter), Musk said that in his opinion “biological men should be excluded from women’s sports”. The statement triggered a wave of reactions – from consent to outrage to deep concern.

Musk continued to write in his post that fairness in sports was only guaranteed if clear biological boundaries were respected. “It’s not about hate or exclusion, but about justice. Women have fought for equal opportunities for decades – it is not fair if someone dominates with biologically male muscles in women’s sports,” it said in his comment.

The time of statement is particularly explosive: in the USA and Europe, guidelines are currently being discussed in competitive sports. Organizations such as the International Olympic Committee (IOC) and various sports associations have adapted their position to transgender athletes in recent years-partly under great public pressure. While some associations such as World Athletics now largely exclude trans women from women’s sports, others – for example in cycling or weightlifting – pursue inclusive approaches.

The reactions to Musk’s statement were not long in coming. Conservative commentators praised him for his courage to address a “sensitive but necessary topic”. Musk found a lot of support, especially in the United States, where cultural questions are increasingly being discussed. Fox News called his statement “A voice of reason in the middle of ideological confusion”.

The reaction from the progressive camp was different. Numerous LGBTQ+activists accused Musk of discriminating on transcers and contributing to social division with flat -rate statements. The American human rights organization Glaad published a statement in which it was said: “Elon Musk promotes a dangerous narrative that systematically excludes trans women and questions its existence.”

Prominent athletes also spoke up. The former tennis player Martina Navratilova, herself a critical voice in this debate, partially shared Musk’s opinion. “We have to talk honestly about biological differences,” she said in an interview. “This does not mean that we want to banish trans people from sport – but categories must be meaningful and fairly defined.”

The discussion about transgender athletes in competitive sports is by no means new, but has become internationally known in recent years through prominent cases. Especially the case of the American swimmer Lia Thomas, who was the first openly trans sex athlete to win a college title in women’s swimming, had fueled the debate. While some celebrated their victory as a triumph for diversity, others saw it a threat to fair competition.

For many, the question arises: where does inclusion end and where does a structural disadvantage begin? Science is also evident. Some studies show that hormone levels play a crucial role, but others refer to lasting advantages through male puberty – for example in the case of bone structure, lung volume or muscle mass.

Politicians are closely observing the development. In several US states, laws have already been adopted, the transmission girls and women exclude from women’s sports -partly under massive protest. So far, the legal situation in Europe has been inconsistent, but here too the voices that demand clear regulations are increasing.

Elon Musk himself did not leave his statement uncommented. In another post, he answered the criticism with the words: “I support everyone in his life. But sport needs to regulate. If we soften it, we lose the integrity of the competition.”

For critics, however, Musk remains a polarizer whose influence on public opinion should not be underestimated. With over 180 million followers on X, he has the opportunity to steer debates and shape opinions – often with just one sentence.

What remains is a split society in which biological, social and ideological questions collide. The challenge is now not to lead this discussion in drawers, but differentiated and with respect for everyone involved.

It remains to be seen whether Musk’s statement will have a political or sporting effect. What is certain, however, is that the debate about gender, identity and fairness in sport is far from over – and Elon Musk has now given her new fire.