Superficially, it looks like he’s making a testable prediction. But that “prediction” is a number from a bullshit calculation (or maybe two or three different, mutually inconsistent bullshit calculations — it’s hard to be sure). So if someone wasted their time and did the experiment, he’d handwave away the null result by fiddling the input bullshit.
“So, professor sir, are you OK with psychologically torturing Black people, or do you just not care?”