actually all of that is not a guarantee that binance will have a 100% security guarantee, but what you need to worry about is competition between large companies that will shift other companies such as drama binance with FTX at this time.
we can't imagine what if one day what happened to FTX will happen to binance. very terrible
This means that when people want to withdraw their money, it’s not there because owner used it to buy stuff. This shows that if you run a proper exchange with none of that, then you could make a ton of money and you would not be in trouble and Binance I believe doesn't use your money at all.