>>508210388 (OP)on a social level, because for you to treat them badly, you must surely be equal to or above them in the hierarchy
on a biological level, because they want to avoid the negative stimuli of your bad treatment
but don't confuse it with actual, earned respect, it's not—it's fear—you're essentially making them afraid of you, and for all the fear you inculcate, you also breed resentment
unintelligent people are usually the most responsive to what you're describing
the truly feral will respond to this only—you must make them afraid of you
use it wisely, always try to treat people well if it's an option
true respect—labouriously earned—is far superior a reward