You’re right that it was a stupid thing to do. But let’s be very clear; throwing a milkshake over someone is not murder.Milkshake thrower deserves prison time for assault.
If this happened to Mayor Khan they would get years.
People joke now but two MPs have been killed in recent years. If this happened to a female Labour MP there would be outrage.
No excuse for violence. Beat people with debate and rational argument.