It is far broader than Rabbi Broyde. It is most prominent MO rabbis, and the RCA.
The chareidim could hardly care less. Sure, Yated likes to write about it, but it isn’t really relevant to us. We aren’t going to daven in their shuls or go to their schools. It is the MO who are leading the charge here, to their credit.
And is your proof that they are being hired by congregations? The hiring is done be the shul’s board–that’s whose “daas” you are relying on.
And besides, so are conservative rabbis being hired by congregations. If a congregation hires one of their clowns, it ceases to be an orthodox shul.