You are absolutely right. They are totally useless life hacks, but I love your expressions that go with them. LOL You forgot to use the Spider-Man costume.
1:30 incase you dont know whats going on (I dont either but ima guess) is that the watercap stops air from flowing into the bottle and keep the water in (thats why when you hold a water 2ottle upside down you it comes out in 'clumps*' of water)