How do you compete with people with billions of dollar when you only have thousands ?

Decentralization is a great concept, but it also leads to abuse and furthermore, huge swings like today. Its just strange how tens of billions of dollars can evaporate in the blink of an eye. Once again this is why normal banks institute substantial transaction fees, to make idiots like this consider every move they make.
To prevent them for buying and selling simply to manipulate the market in their favor. Not