Earlier quoted context omitted.
In your opinion it "just sounds like" a guy interrupting an adult who is in a conversation so that he can try to hit on her. When it was not wanted. In what way does this fail to be sexism? Please explain your point of view in sufficient detail that you can be disabused of your misconceptions of what is and is not going to be offensive to random women. Big hint for you. Unwanted sexual attention creates what is known…
In your opinion it "just sounds like" a guy interrupting an adult who is in a conversation so that he can try to hit on her. When it was not wanted. This is so ridiculous. "Hitting on" someone is an attempt to find out if the attention is wanted. It can obviously be done in very poor taste, to the point of being abhorrent, but it can also be done respectfully. To say that he was wrong to hit on her because it was unw…
Of course if the guy is weird, then, in a way that's understandable, but he should know that his opening line line sucks, and will not get a positive reaction. The red or yellow card is an efficient way to deliver the message.