TL;DR: There's currently a new law proposed to significantly reduce the time, cost and effort to change your name and gender, replacing the unconstitutional one from the 70s. Guess who doesn't like this and believes cis women need to be protected from dangerous trans women, therefore manufacturing scandals to influence public opinion.
Do they not want to go to male prison because they are MtF? You're leaving out a ton of important detail here.
If you want to know more about this, here's a German article from a more reputable source:
https://www.queer.de/detail.php?article_id=46612
TL;DR: There's currently a new law proposed to significantly reduce the time, cost and effort to change your name and gender, replacing the unconstitutional one from the 70s. Guess who doesn't like this and believes cis women need to be protected from dangerous trans women, therefore manufacturing scandals to influence public opinion.
thank you so much for this context!