On: Buy payphones and retire

[BurningFrog]

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.