All of the LoP games I've seen have larger sizes. Even the specific example that you said are noticeably larger than a normal person. Here's a screen from Eleanor 3. All 4 of these guys are larger than normal. An average penis is only about 5 in/13cm and these sizes are around 9-10in/22-25cm. An average penis would have the tip poking out just a little bit with a hand around it, and these are more than double that.
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The fact that these are considered "realistic" should show just how necessary having sensationalized proportions is.
Also, whether something is exciting or not is entirely subjective, and the creator's vision will differ depending on what they're going for.