A small wedding is not necessarily one to which very few people are invited. It is one to which the person you are addressing is not invited.
Judith MartinYes, etiquette is hypocritical. Yes, it does inhibit children - if you're lucky. But the idea that it's elitist and irrelevant is like saying language is elitist and irrelevant.
Judith MartinAdorable children are considered to be the general property of the human race. Rude children belong to their mothers.
Judith MartinEmail is very informal, a memo. But I find that not signing off or not having a salutation bothers me.
Judith Martin