Note the use of the word " could.
Perhaps it would be helpful for you to read the article that lays out KCL's research and their findings. Perhaps read previous threads on here that discuss KCL's ESRC-funded project. These actions might assist you to engage in a discussion of this research.
The Future of Legal Gender Project, led by King’s College London, has assessed how legal sex would be abolished in England and Wales and replaced with a single gender category, with the aim of contributing to policy discussions.
After four years of interviews with 200 charity workers, civil servants, lawyers, government officials and the public, it suggested that a “soft decertification” of small changes in organisations could replace any lurch to “gender-neutral law”.