Perhaps, typesetting still uses these, but that's okay. They can keep doing so, since these probably add aesthetic appeal to how flyers are designed.
I also noticed a pundit-battle brewing in the depths of the hyphen-m&ndash-soup.
The article:
Let’s make that even more clear.
THE EN DASH IS ABOUT AS WIDE AS AN UPPERCASE N; THE EM DASH IS
AS WIDE AS AN M.
Yet, from another dash-hyphen pundit... [1] En and em dashes aren’t called that because they’re as wide as
a lowercase “n” and a lowercase “m.” They’re called that
because those are the specific typography jargon words that
refer to the height of a physical piece of type (the “em,”
also called the “mutton” to reduce confusion) and half that
height (the “en,” also called the “nut”). An em dash was
originally as wide as the font is tall.
[1] https://leffcommunications.com/2021/03/10/a-brief-history-of...