Aristotle once said ‘Give me the child until he is 7 and I will show you the man’.
If you cast your mind back to the first and second world wars you will find all the nick names given to the French, the Italians, the Japanese, the Chinese and The Germans, then in everyday parlance and even now the term Yankee is regarded, by some, as being mildly offensive. The French gave us one - Les Rosbifs.
As a child I was strongly admonished for using the world ‘black’ which would be unkind to dark skinned people and told I must never use it, but substitute ‘coloured’ which was the polite way,
Recently two elderly ladies were discussing the fact that they are afraid of saying anything outside their homes because someone was always taking offence.
Now read my first paragraph. I’m not making excuses merely pointing out that the older you get the more difficult it is to change, and that ideas have changed over the years, though not necessarily for the better.