Exactly and new traders are advice to stay away from these alternative trading methods. The most common which is future trading is already dangerous and has liquidated more traders than those it has been favorable to.
You are not wrong but future trading has its own advantages too, but newbies prefer to just use it to leverage 2x or more and it become very risky.
I will not advice anyone to go for future trading because of the leverage temptation which might likely be what would happen and money loss. But there are few advantage of future trading:
Going 1x which can be like spot trading
Going short
Not you key not your coin. It offers you the ability to reduce the fund you have on exchanges. Assuming you have $1000 you trade with, you go for 1x leverage. You can just move $700 to noncustodial wallet and trade with $300 with 3.5 leverage. Knowing that you have $700 on noncustodial wallet which can be a collateral in case, but depending on your trading. Many long term future trading holders gindirnthis option.
But future trading is truly riskier.