> With Recaps and this social graph (were it to be productized), the informal fluidity in the way we relate to one another starts to go away, and the expectations that follow from that become artificial and burdensome.

As this becomes normalized, people will retreat to a safer persona even in private conversations. This does not solve the problem at all; a great many mental illnesses and dynamics around pathological abuse are tied to the details of how each of us has a private and public-facing persona.

Already I see Gen-Z and Gen-Alpha are heavily resenting the demands placed on them to be always in 'branding'/'self-marketing' modes, and are seeking ways to retreat from the relentless expectations of being always in 'public persona', and are suspicious that this way of living is harmful.

Exactly. It’s a chilling effect on an ever-increasing proportion of human interaction. If everything you say is on permanent record then the safest course of action is to say little, and keep it as bland as possible.