Remember the Monty Python skit about a collector of of the boiled eggs of birds watchers, see here for bad camera pointed at TV screen. The problem is the observer effect. I long time ago I came across a definition of family from the south pacific: father, mother, brother, sister, anthropologist. Maybe there needs to be less observation and more theorizing and synthesis. Read here about an Austrian Pol who ran a foul of cameras set up to track wild life.