More to the point..One of the people in those links is a moron. Beyond getting the name wrong....
Explains why a tiny bowl is bad and then proceeds to buy one for what seems like a silly experiment. If you stick a betta into a tiny bowl, what sort of entertainment are you are expecting?. That the betta will suddenly take up juggling and perform when fed?. Talk up setting up failure in fishkeeping.
Also this person needs to be stuck an empty closet where they can barely take a few steps any direction with a window and be told to act entertaining.