Everything you need to know is in those articles. I don't know what you want to know more that you already know. What "doubts and questions" you have?
Despite all the warnings about the product (given in some cases by binance itself) the trade executed with no surprises,
There are always no suprises when your trade was short term and amin asset price was not volatile too much.
The most imporant thing with Leveraged Tokens - do not hold them. Its guarantee of loss.