If my enemy hides behind a hospital, is it all right for me to bomb the hospital?
A few years ago unemployed people were advised by a prominent British MP to ‘get on their bikes and look for work’. The same MP is now very cross about people coming by ship and ’plane to look for work. Would it be all right if they came on bicycles?
If, using a perfectly balanced die, I throw a five five times in a row, does that make it more, or less, likely that the next throw will also be a five?
If a drug company denies that its new medicine has harmful side-effects, does that make it more, or less, likely that it does indeed have harmful side-effects?