Absolutely. They’ve been getting really popular in wearables (particularly from Chinese brands).
Several SBC vendors are including rv clusters in ARM based SoCs (which I believe is partially related to what you mentioned) for development purposes.
I even have a little rv powered ssoldering iron 😊
I was a little confused by the tone of this one. I scrolled back up and realised it was written by Signal’s Meredith Whittaker, and it made a bit more sense.