But when I opened the packaging and looked at instructions behind, I nearly laughed myself off the

Yes yes, that makes sense. I wouldn't want to put anything that DOESN'T fit into the bag, do I? Well, without cutting any holes, that is..

Wow we learn something new every day... Today we learn that wiping something with a cloth removes dust!

Now you come in and help me. This is a two-person job all right! Now, which edge should you choose? Hmmm, left or right?

Back to my turn again. Oh no, now I have to save YOU when you "all fall out"!!! Now, can you tell me how many pieces you are in again? I need to keep count...
There's more, but I am not going to post anymore up cos they just don't make sense.
But when I tried it (yes, from putting in clothes smaller than the size of the bag to closing the fastener from "an edge") it actually works wonders! Look!
Before:
Large mountain of clothes.
After:
Mini hill of clothes.
Before using those bags, those clothes took up more than half of my bag.. Now?
Only one-third of the bag!!!
So, those paid advertisements are not lying through their teeth after all huh...