Is the social media based economy now making a conscious shift towards serious non-intrusive, subscription based content?

A few days back Twitter announced that it had purchased Revue, a newsletter platform for writers and publishers. Facebook too is reported to be working on something like that and both are expected to give competition to Substack and a few others already in this business. With more and more people opting for better quality content and spending on it via subscriptions - social media platforms seem to have noticed to strong shift and are trying to be a part of this game before it's too late for them. So it looks like that attention economy based social media now making a conscious shift towards serious non-intrusive, subscription-based content? Listen in!