What do you think after see these pics? Easy money, isn't it? Just throwing some bucks on game, and it turned multiple times just in a second.
If you are going to define "easy money".
money obtained by dubious means or for little work.
https://dictionary.cambridge.org/us/dictionary/english/easy-moneyBy that being said. It doesn't mean that when you win in gambling you are not putting such efforts because it isn't there are some strategies that is behind the certain luck evidence that you have provided.
Therefore it is very subjective tho, easy money really do work on gambling for a very very low percentage and if you are going to depend on your luck just because you have saw someone got it then you will surely be one of the Gambling "easy money" scheme just like the others and just like the Bitcoin "Easy Money" ideology.