When you hear of traders who were successfully able flip small account sizes to big ones in a short time, it is not just because of their strategy alone, it is also due to understanding of how to maximize profits and minimize loss.
This is the problem many traders are having, they want to flip their small account size to a big one just as you said it here. They will think if using high leverage and be very impatient. This is how their account will be getting liquidated every time. So instead to be making money, they will be part of the 85% of traders that are losing.