i mean just because something is a social construct doesn’t mean it has no real effects on people lives or importance in society. money is a social construct too, but it still affects people and society in major ways, and can be an extremely useful tool.
personally, i think that gender is a useful concept to describe a difficult to quantify/describe part of a persons being, and the majority of people identify with some aspect of gender in some way in their lives. because of that, imo, it’s a good word that should be kept around