Maybe it's my crappy net connection, but I watched the video snip in question.
He thrusts his hips, just to make sure you know he’s talking about raping them.
Uh, no, he's not "shaking his hips to make sure you know he's talking about raping them." That "ha ha ha" sound the boss makes after asking if the fathers sent the hero? He's having a belly-laugh. Meaning, he's laughing at the helplessness of the fathers. Shaking his hips? Really? The article writer got that out of those 48 pixels moving for about a second?
Once you defeat him, the women live on your menu screen, dancing in their underwear.
Must be my connection again, because those tiny pixel creatures could be wearing the swimming suits that they were kidnapped in. But he's sure it's underwear? haha. But seriously, he gripes that the women hang out in the menu once you win the game. Well, yeah. You kill the bad guy, go activate the mechanism to free the women, and then go straight to a "Complete!" screen. So sure, once you get through the scoring, you get to see that the women are now free. Which seems to be the point of the game since it ends with the caged women being lowered.
The author makes assumptions, most particularly that the women are going to be rape victims. Instead of, say, part of some medical experiment, as I infer from the words "specimen" and "vessel".
If you want to get upset about some sort of 'rape culture' thing, maybe this is not the game in front of which you choose to draw your line in the sand.
As an aside, I find it funny that the author was tempted to vote for Caveblazers as a best-of contender, while in the video he links it sounds like the Let's Play-er is relieved to finally be done with the game.