It’s an infationary use of “illusory”. “Social constructs” describe certain regularities in the real world, maybe not very useful regularities often presented in a confusing manner, but something real nonetheless. “Illusory” usually refers to a falsity, so its use in this case doesn’t seem appropriate. Furthermore, being a bad fit, this word shouldn’t be used in explaining/clarifying your actual point, otherwise you risk its connotations leaking in where they don’t follow from your argument.
It’s an infationary use of “illusory”. “Social constructs” describe certain regularities in the real world, maybe not very useful regularities often presented in a confusing manner, but something real nonetheless. “Illusory” usually refers to a falsity, so its use in this case doesn’t seem appropriate. Furthermore, being a bad fit, this word shouldn’t be used in explaining/clarifying your actual point, otherwise you risk its connotations leaking in where they don’t follow from your argument.