“I’m not actually against, for example, people going into rehabilitation, provided it is understood that this is not really a medical procedure. Often what happens is that people who are addicted to a substance — alcohol or opiates — have comprehensively messed up their lives, and since life is biography and not just a series of unconnected moments, it may be that they require some assistance in getting their lives together. But I don’t regard that as really a medical procedure.”