It doesn't take the pleasure out of it, it doesn't make it transactional. It just gives them incredible job fulfillment, at least in that part of it.
Bill Clinton was famous for this. It was incredibly frustrating to his staff because he was constantly late for his next event, because he always wanted to keep talking to the people he'd just met. They'd have to build in buffer time to plan around it, because otherwise it wound up disrupting his schedule and logistics too much.