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LOL. It's because you use shit platforms good for newbies. It exists for a long time in the crypto industry. Kraken, for example, has always had different orders types. Just to let you know these are basic options for a trading platform.
Crypto trading is enough comprehensible to be reachable to every trader. If not then it's not a trader at all
Therefore, new traders must start learning and experimenting in order to gain sufficient experience.
Yes, sure but if a trader doesn't know the different order types I believe 1) he shouldn't trade anything 2)he isn't trader 3) he should go back to the books to learn the basics.