When Seth Moulton told the New York Times he didn't want his daughters "run over by a male or formerly male athlete," he wasn't making a policy argument. He was reaching for a wedge, and trans kids were the tool he picked up. The debate exchange that followed shows exactly what it costs when that becomes acceptable inside the Democratic Party.

"Male or formerly male athlete" is not a neutral description. It is a phrase designed to conjure a specific, threatening image: something large and dangerous invading a space that belongs to girls. It is borrowed directly from the playbook of people who have spent years trying to make trans children sound like a threat. For a Democrat running in Massachusetts to reach for that framing, voluntarily, in a New York Times interview about how his party had lost elections, tells you something important about how little political risk some politicians perceive in using trans children this way.

Ed Markey named it directly during the debate. Moulton had "thrown those kids under the political bus," he said, and what followed was one of the sharper exchanges I've seen in a primary debate about this subject. "We should have been loving those kids. We should have been protecting them against Trump, against Fox, against the MAGA base." That is the right instinct, and Markey deserves credit for saying it clearly rather than dancing around it.

Moulton apologised, again, during the debate. "To anyone hurt by my comments, I'm sorry, because that was not my intention." I'll take him at his word on the intention. But here is the thing about words: they do their damage regardless of intention. The trans teenager in Massachusetts who heard a congressman describe athletes like them as "male or formerly male" did not experience that as a nuanced political strategy. They experienced it as a senior member of their own party saying, in so many words, that their existence is a problem Democrats should be willing to name.

Then came the moment that actually interested me. Sharman Sachetti pressed him for a yes or no: do you think transgender athletes should be allowed to take part in girls' sports? And Moulton said yes. With caveats about safety and fairness, but yes. Which makes everything that preceded it harder to understand, not easier. If your answer is yes, why frame it the way you did in that interview? Why use language that was always going to be weaponised against the very children you now say you support?

The "safety and fairness" caveats are worth looking at, because they sound reasonable and they are doing a lot of work in how politicians navigate this. Sport does have governing bodies. Those bodies do have policies. Some of those policies will need to evolve as the science develops, and that is true in every area of sport, not just this one. But "we should have a discussion about where we have issues of safety and fairness" is not the same as what Moulton's original comments communicated. The original comments communicated danger. The debate answer communicated inclusion with caveats. Those are genuinely different positions, and the gap between them is where the damage was done.

What would a principled answer have sounded like, from the beginning? Something like: trans girls are girls, they belong in sport, governing bodies manage the specifics, and I am not going to use children's bodies as evidence that my party is sufficiently tough. That answer exists. It is available. It does not require pretending that no questions exist in elite sport; it requires not reaching for those questions as a political prop when the overwhelming reality is that trans children are simply trying to play football, join a swim team, and have a normal childhood.

Markey's framing pointed at something real. The people working hardest to make trans athletes a national emergency are not doing it because they care about fair competition. They are doing it because it works as a mobilising tool against trans existence more broadly. When Democrats pick up that tool and use it, even with the best of intentions, even to show they can "take on these issues," they validate the premise that there is an emergency to respond to. There isn't, because there are children who want to play sport.

The debate happened. The apology was made. What matters now is whether the lesson lands: that the short-term political calculation of using trans people as a signal of toughness has a long-term cost, and that cost is paid by the kids.

If there is a news story you would like me to cover then just let Sammy know.

Dr Helen Webberley is a Gender Specialist and founder of GenderGP. She writes about gender diversity, trans healthcare, and the lives of trans people and their families.