I’m not sure why the OO are so up in a tizzy over the recent RCA announcement. There is no disagreement.
OO generally don’t think rabbonim have any halachic authority. It’s just a name you call people who stand in front of the shul and say a speech every week. Women can’t stand in front of the shul? Women can’t say a speech?
The RCA would also be ok with women doing that role. So would even the moetzes.