Not close. Both those mistake knowing for trusting.

I'd say that they don't make trust decisions, rather they give information to the user so that they can decide whether to trust and for what purpose.

Linkedin more so than facebook, facebook shows list of common contacts, linkedin shows that plus a literal resume.

Maybe, but that just pushes that load on to the user that defeats the point.

Computers are about automation.

No software can do everything, Good software makes concessions.

More concretely the ideal software would require a volume and speed of user input that is unfeasible, and the size and complexity of such software would balloon such that development and maintenance costs would be unfeasible, furthermore the more features, the more customization users want, so customization is an additional dimension.

But sure, go make a system that reads my mind and decides whether I want to trust a USER to do SOMETHING.

This comment may yet motivate me to actually build the system in question so I can avoid having to read ones like it in future.

You definitely need better motivations so build something of that scale.