And as an extension of number 3 above.
4) Literally mimic the exact behaviour of ACTUAL SLOT MACHINES when you're opening the loot boxes.
Oh yeah, they're just like Panini football stickers
That line of argument has been systematically destroyed by enough folks to not even entertain it TBH. And, y'know, is the exact same bullshit that the videogame companies are trying to hide behind.
(They've tried to make an equivalence with Kinder Eggs as well, because people routinely spend thousands of pounds on those, right? I remember Kinder Egg addiction was a big deal when I was at school. People going hungry and all sorts of crazy shit.)