This will work if you have big capital and such professional trading skills. So that you will also get millionaire (but we don't know how long you will get it)/ And if we are also a small capital trader, we can also reach that amount, but not know when to happen.
The exact thing is that not all trading bots will work well as we expect. Many free trading bots are shit and they are harmful to us moreover for us who don't know exactly to use it and only follow other people.
Some people use paid or AI trading bots in which they are smarter and more advanced. But it doesn't mean that the trading bots will always give profits every time.