More importantly, about why it fails so monumentally in modern movies. And, after a while, we have reached the conclusion, that the element of it being beyond your understanding is completely undermined if you know the hero is safe.

While in normal capeshit, even if you know the hero is going to win, you can imagine scenarios of how its going to happen. You can feel every hit he recieves or gives. There is a story there.

But, if the enemy beyond your comprehension, then story turns to "hero did ....something???? and won " So, there is literally no substance left for you to enjoy.