Yeah, enormously.
People will hedge depending on how sure they are about something. They might also have credentials in whatever you ask them, if you get legal advice from a lawyer, that can be judged to be more reliable than from a lay person.
Relationships with real people are pretty cool actually.
If you talk to people that you have a longer relationship with, you might also be able to judge their areas of expertise and how prone to bullshitting they are.