Judy54
No you are not wrong. I attended a funeral recently and one of the Mourners although wearing a black dress accessorised it with large diamante earrings and necklace. She was wearing killer heels and bright red lipstick and definitely looked as though She was going out clubbing rather than attending a funeral.
What is wrong here is not that she looks as if she is going clubbing but that the mourner is dressed to attract attention to herself, which is what you should not do at a funeral. A funeral is all about the deceased.
Male or female there has always been a sense of dress appropriate to the occasion and while the definition of appropriate may vary over time. i still think that is true.
I am often conscious when you see male and female experts together, the men will have got informal but smart just right. Think Prince William, while the women will look as if they have been dragged through a hedge backwards.
Alice Roberts is an archaeologist, she is often filmed out on site and she dresses like an archaeologist. (my son is a porfessional archaeologist and I am an amateur, I know how archaeologists dress). I doubt, if receiving a News Year Honour from the King she would dress like that.