Well, thats one thing that humans are capable of.
Actually no, they don't always take physical form. Many of them only exist in abstract forms, in imagination, and theory.
Actually everything you are about to claim is meaningful to you, came from people who are the thinkers, not the provers (you), and had to come from the imaginative and abstract, so that you could then exist purely in a world of forms without coming up with the ideas to create them. If not for people who couldn't find those deeper thoughts and meanings, you wouldn't have this world of spectacle to hide in.
These are all things that were created and defined, to create the stream, that was already flowing -before- new independent thinkers were thrown into it, and forced to -try- to swim against the flow. If you would rather go with it, and let these things define you, that is fine, but don't claim that there is something inherent truth about human nature in your way.
That is exactly what they are doing - confining it. Not everyone's character is defined through other people's creations.
Nope.