Yeah it's like saying "home invaders don't know if there is anything good inside they just choose houses at random." The point of the theft is to get something out of it.
Replacing the backpack and gym clothes was probably $100, market value was maybe $10, and it was $507 to fix the window. (my deductible was $500.)
Outside nwallin's car: no valuables
Inside nwallin's car: maybe valuables?