Can 'Every time we stop I want you to get off and let whoever I'm letting on, in and then you get back in, sit on the step.' be viewed as neither a logical extension nor a contradiction of 'I want you to get off at the next stop.'
Every time we stop I want you to get off and let whoever I'm letting on, in and then you get back in, sit on the step.###I want you to get off at the next stop.