I think you should have to learn all aspects about gambling and will have a good skill in there, with that you will be able to not lose your money in gambling sites or in any casino.
I agree with you, learning more about any field will make us smarter more in that field, so if you want to be a smarter and want to play with smart tricks then you should have to learn more and more about gambling so that you will not be able to lose at there.