1) People that play this game are old enough to remember time when hard cash was used quite frequently.
2) Apple Pay and all those fancy methods are not used by everyone and not available in every country, while there are numerous countries from which players are logged onto the NA servers.
3) There are still places where none of that matters. The business will simply not accept anything short of cash. That's something you are very likely to be forced into whenever you leave your country for another that uses different currency.


On a different note, math is used far more than when counting numbers. Great deal of math is as natural to humanity as biology. Whenever you cut off a slice of pie, pour soup into the plate for more than yourself, recharge your phone. Those are all instances where math is used naturally.

If you have two oranges and are going to visit someone with three children, do you need to use "math" to know that two oranges are too few to give each of them one?! No. You do that instinctively, but that's nothing more than 2-3=-1. People can count that kind of math. Just about everyone can. Learning disorders inhibit the written, number, form. But I have real doubt to believe that someone that cannot read a number at all could actually reach lvl70 in an RPG game. Brain "calculates" a lot of things. If it was unable to do that, the person would be in a vegetative state. Therefore there is no one active unable to count basic numbers.


Excuses because someone doesn't feel like paying attention are just that. Excuses. At least be honest (I don't mean specifically you, but those that complain about the math there or keep failing it) and say that you don't feel like doing anything beyond mashing buttons.


And if people nowadays really can't, for whatever reason, count, subtract, add, divide and multiply to 10...then I simply have no words. None that would not be extremely offensive, anyway.