Hello @mikel, thanks for your quick reply!
So, when creating a codepen to show, it did behave as expected, which was really confusing. After messing around with it a bit, I found that the difference seems to be how the array is created; whether it uses query strings or actual element references. So [[el_0_0, el_0_1], [el_1_0, el_1_1]] behaves differently than [['#el_0_0', '#el_0_1'], ['#el_1_0', '#el_1_1']].
https://codepen.io/axeen/pen/oNpYezq?editors=0110