In the later years of her life, my mother-in-law used a walker. Of course, it slowed down her pace and also made it difficult for her to open doors unless they had a handicapped door opener.
When I was with her, I could help her navigate doors. Sometimes she got ahead of me, so I wasn’t there when she reached the door.
I was unpleasantly surprised when other people would just walk through the door without offering to help her. She said this was a common occurrence.
Lack of courtesy
This lack of courtesy is something that seems to be escalating in our country. People seem to think only about themselves.