These are the rules, Classic. As set by your mate. If you even vaguely agree with somebody on one issue, you agree with them on everything.
If an Italian politician is an 'ally of gender critical feminism' (I've no idea if they are but we'll have to take his word for it I expect), then all gender critical feminists must also want to stop gay couples registering their children.
The logical end of this is that if you think transwomen are women, you personally must agree with every crappy thing transactivists say, including dodgy political views and violent threats.
It might be a bit unfortunate that you find yourself lumped together with people who want to rape and murder J K Rowling, but that's how guilt by association works, I'm afraid.