While the study classifies it as exploration and claims an intrinsic reward that will die out later in life, I would describe the behavior as novelty-seeking. I'd wager that for adults, a game on a screen is just not new enough. But if you'd give adult males a choice of which female to undress, I'm pretty sure they would value "exploration" very highly again. In a similar vain, when smartphones were new, the adult po…
Let me just be the one to say your choice of topic for exploration is incredibly cringeworthy in 2020. Also inaccurate for some parts of the adult male population. Use a better example next time.
I don't think we should throw out wholesale that sexuality is a big driver of human behavior though, even if the example isn't inclusive. Changing "woman" to "person" addresses part of your concern, but still doesn't actually fix the experiment as proposed. The bigger problem is the experiment wouldn't work, rather than that it was cringeworthy. Which, sure. If it was cringeworthy, but worked, I guess it could have some excusability in terms of science. As is, you're right. It's juvenile.