I think trading with gambling is 2 different activities, because trading certainly requires the ability and skills in the implementation and in need of accuracy in analyzing market prices, while gambling can be done even without the ability and adequate skills and sometimes hope will be a lucky only.though both are equally risking money to make a profit, but trading has an object in trading while gambling only has money in the bet is not in the trade.
Don't forget, even with no such ability people still can do trading as well. Meanwhile, not every traders could make an accurate prediction in regard with the price movement. Such traders, who trading with low knowledge and depend solely on their feeling, can be considered as gambler instead of trader.
This is totally true. In gambling, of course, we make decisions blindly and just hoping on luck that it turns in our favor. Sometimes it does, sometimes, it even always feel like luck got tired of our gambling activities. For those who see trading as a way of just assuming price either going up at one point on not, is as good as a gambler.
Also I wonder what some people would feel like if they realize that the little stuff they feel they lost into gambling ended up amounting to something huge in future, would they still keep gambling?