Berger and Luckmann published their now-classic text The Social Construction of Reality in 1967. It is/was a wonderful book, sparking endless half-stoned college dorm debates and discussions back in the day.
I used to like to offer the question of whether the sociologists and social psychologists accept that they are also constructions.
If you take the general concept to an extreme it becomes insane. Human nature, physics, biology, and chemistry, are not imaginary. Even the occasional academic falls off a ladder and breaks a neck. Fortunately for us, our culture recognizes such things even though we do risky things daily.
The Youtube links at this article are remarkable. The lady thinks that sexual motives are constructed. She has strong opinions. It is all about power. Really? Women have huge power over men.