It's true. Prior to Newton, people gave unrelated explanations for the orbits of planets and the falling of objects. Some perceptions lead to increased understanding, and some perceptions lead nowhere. Just depends on what your goals are in organizing your perceptions.
Yep! Agendas can muck it up. We all have them but vary in our ability to call them out in ourselves.
When I decided I wanted a Scion xB I suddenly saw them everywhere!