No doubt like canvas, font, audio, etc. fingerprinting, it will eventually be required to use Google apps like Maps and Messages for Web (to cite two recent discoveries).
"If you're not paying, you're the product" has its own form of economic inflation.
Last I checked (> 1 year ago) it was WONTFIX because of some very idiotic (IMO) reasoning. I keep it permanently disabled and have never missed it (media.peerconnection.enabled in Firefox btw).