I have definitely been a UX PM, even having a former VP of Engineering saying that the 3 "UX people" in the company were the only people providing the "tactical

I have definitely been a UX PM, even having a former VP of Engineering saying that the 3 "UX people" in the company were the only people providing the "tactical PM role" since PM's were stuck writing PRD's (waterfall product requirement documents). Maybe that's part of my skew as well is that I've always been a primary (diluted, overextended) stakeholder in design, PM, research, and development.