Gambling and trading are different in many things, The first is based mostly on luck and you can't and in any time you can lose or win, but when we talk about trading, we talk about skills and experience about altcoins market, If you have a good knowledge about that you can make a great profit unlike from gambling.
Tell me if you have a lot of knowledge about football, experience from participating in that sport and in betting can you make huge profit?
If you are good in reading people, and you have good self-control can you be a good poker player and make a lot of profit from that?
Crypto market is new for many of us, we still learn where to find good informations, valid informations. Internet is full with spam, pump and sump groups, fudsters, reading crypto market can be a hard task. And sometimes trading is like gambling, only safe trading is buying bitcoin or some other stable alt and waiting for price rise, that will come eventually and you will have your profit, but that is gambling, what if market collapse for any reason.