Actually no. It's much worse. At least in my own experience. They would assume the gender of the person and talk like that. And if they can't guess the gender or referring to a group of people from all the genders, they will shamelessly use "he" as the pronoun. I tried to make people understand so many times that it feels sexist, gender-role imposing and like I don't exist (like when as a woman, I am feeling up some government form or filing for tax return, or, listening to a lecture or discussion from a professor or managers or colleagues and they use "he" to refer to a student, a customer or a random person), but most of the time they say I am policing too much, being too sensitive, too annoying a feminist for no reason, and that I am making them lose their flow of talking (I know this last thing can happen when you are suddenly corrected in between your talking but I never did that, I always informed the person afterwards and just explained how I felt non-existent and if they can use "they" instead, it would be really inclusive, and honorable), and I also heard from multiple woman about how I am nitpicking a bit too much, how these things don't matter, how "nitpicking" like this would only trivialize women and limit our chances. I not only digress, I think this inclusivity is the only way of making women get the due inportance and chances in the society.
So I would keep on trying, I want to explain better. I am not coming from a place of picking up a fight or anything. AlI I want is inclusivity, all I want is this: when anyone think of a person having a certain kind of social role, the image of the person that appears in their brain doesn't have a fixed gender based on the role (you get it, right? A man for a successful leader, a woman for a homemaker etc. are still understandable to some degree because most so-called leaders still are men, most homemakers still are women; but when you only see a man's image in your brain when you think of a student or a customer or an office worker, that's problematic because these bias of yours will affect your actions if you don't check or get checked very very closely), but it is an inclusive image, where you wouldn't get any statistically significant trend, at least not having more bias than the reality of our time.