That’s because going from premises to conclusions is the rarest and trivially followable argument and the complexity of discussion arises from concluding on facts.

For instance, is it true that you couldn’t get a COVID test in SF around Jul 4?

With provenance of information, people start trusting trusted sources for facts. With fixed identity, people can evaluate what the preponderant view is.

If you’re in a room with ten of your friends and you could get toilet paper in Jan and all of them couldn’t, you would judge yourself lucky and that there was an availability problem.

If I go online and I see one thousand posts saying the opposite of what I’m seeing, I’m going to ignore them. Primarily because of the identity problem.