Why is the assumption being considered incorrect? Go to your local toys store and tell consider what the effect of the STEM focused toys being next to the toy soldiers, and not next to the barbies and kens, is going to have on future students
And consider the effect on STEM toys usually being priced higher (for valid reasons) than other toys is going to have on children from demographics that generally lack financial freedom?
Not understanding a core concept of systematic whatever-u-wanna-call-it, before writing this article, makes it very unconvincing