That means unless you pay for a Premium subscription, the highest quality of video you’ll be able to watch is 1440p.
In a response to that user, YouTube says, “It looks like your part of our experiment to know better the feature preferences Premium & non-Premium viewers.”.If YouTube first introduced 4K as a Premium feature, sure, keep it that way.it looks like your part of our experiment to know better the feature preferences Premium & non-Premium viewers