The categorical imperative is a useful philosophical tool, but it's very easily misused. I'll go to the grocery store tomorrow. Is that moral? Well if all 8 b

The categorical imperative is a useful philosophical tool, but it's very easily misused. I'll go to the grocery store tomorrow. Is that moral? Well if all 8 billion people also went to that grocery store at the same time, it would be a horrific tragedy, probably with billions dead. The actual principle is about whether the principle or maxim behind the action can be consistently applied as a universal law.