I agree! "Resource" instead of "value" and "reference" instead of "variable" would bring this in line with the program logic community, from which many of these ideas spring or draw inspiration from.
I believe you are confusing rational for real numbers. Rational numbers really do map to the integers, but I believe I can "break" any purported isomorphism from reals to ints, by taking two adjacent ints and asking what number the midpoint between the corresponding reals map to.
Giants can afford to skimp on any single customer relationship. Go read Amazon reviews, etc...
The one-person show with only continental shipping taking PayPal payments for their hobby business absolutely cannot afford to screw over 10% of their customer base. PayPal (or any other provider) has no patience, and anecdotally will always side with the customer.