I think a true test of one's principles is if they are willing to defend someone they disliked or strongly disagreed with or don't have much in common with.
It's easy to defend free speech in the context of someone you admire or who shares the same ideas as you.
The real purpose of defending free speech is for when we are faced with views we strongly disagree with or even find offensive and feel defensive about.
I don't know how many feminists would publicly defend free speech of men who are critical of feminism or issues related to feminism. I would hope a decent number would put principle over ideology.
I don't have to agree with Douglas Murray on various issues, but I respect and appreciate his willingness to defend free speech and defend feminists who are being harassed and hounded in their professions, and I admire his opposition to TRAs and social justice lefty types who are more than happy to mow down anyone they disagree with in the name of 'progress'.
Critique of DM's analysis is good, however it's also important to be able to self-reflect whether a personal viewpoint or position is sound and whether we can persuasively argue our point instead of 'well because feminism says so'.
The one good thing to come about due to trans activism and other similar types of activism, is that it has brought together some unlikely bedfellows. It has resulted in people putting aside differences and realising there are much bigger issues at stake. The modern, democratic principles and freedoms we cherish or take for granted are under assault by an intolerant and loud faction. These fanatics can only build their 'inclusive' utopia by forcibly excluding and ejecting everyone who disagrees with them. Religious fanatics talk about 'God's love and mercy' at the pulpit while stoning you to death in the public square. Social justice fanatics are exactly the same. It is the same mentality. They use words like 'inclusivity' and 'kindness' while doing the exact opposite.