Answer:
Things are simpler, and most of them don't argue back, or insist on their inalienable rights.
Things can't hire lawyers, or point to your flaws.
Things don't tell you what you should change, or sell you products.
People can be used because they are obsessed with things more than their own optimal development. They can also be used because they are so addicted to the primal urges. That makes any event, or thing reminding of those urges, a channel into their motivation.
