This one is funny..
So, based on your approach no matter how many people trade, they will always earn enough.
If tomorrow half of the planet start trading, everybody will make 1k$ a month, 3 trillion will be made out of trading and that money will come from....?
From where?
The main difference is that with freelancing you're not going to lose money! With trading, somebody hs to lose money so you can make a profit!
Oh, and to trade, you need money first, and most of the wannabe traders are making that with....freelancing :p