People used to wear a suit to Baseball games.
At my Father's (public) high school in the early 1940s, every morning, the principal waited at the entrance and inspected every boy's trousers, coat and tie as they entered. If the clothes didn't pass muster, the boy was sent home to change
Even though his mom was a widower (my grandfather died of his WWI wounds) and the family barely got by, she, (nor any other parents) never complained that it somehow created an undue burden on them
“”People used to wear a suit to Baseball games.””
And men wore hats...when I was a kid - men didn’t go anywhere without a hat...