Additionally, these actions are emblematic of outdated and heteronormative standards allegedly embodying so-called "chivalry."
It's harmful to those of us who aren't heterosexual. Hell, it's harmful to many people who ARE heterosexual.
A previous piece of mine sort of explored the mechanisms of hetero courtship, from the outside looking in:
https://medium.com/bigger-picture/stop-telling-me-what-a-nice-guy-i-am-b14aaa3fc900