I take it you’re a fellow lower class denizen, because yes. But not for you.
Yes, studies such as this are absolutely valid to the human experience, and are worth their time to document for the ignorant. The trouble is, those that it would enlighten most either won’t read it or outright deny it on personal experience biases.
I’ve been made to understand that a notable number in higher-classes indeed believe that those in lower classes are truly just not working hard enough and are afforded the same privileges they experience.

“I mean it’s one banana, Michael, what could it cost, 10 dollars?”

As quaint a line as it is, I think it may be pointedly apt to some who share the portrayed character’s class aspirations