Nom, it’s the RCA people who made it partisan – they knew exactly how the Torah world was going to respond, and they broke off, doing what they wanted. In the name of women’s rights, championing the cause of the largely fabled agunah and stripping a man of any semblance of leverage should he be abused or have his kids ripped from him unjustly.
And what they’re doing only contributes to divorces, with an escape patch baked right into their marriage documents.
And it’s not as if MO are strangers to creating mamzerim. Many still refer to mamzer maker par excellence Shlomo Goren as “harav”.
That’s partisan.