That's not a good excuse. Same memory gets corrupted on machines which are processing our online money transfers and yet we don't see problems when buying things online. Why? Because there are layers upon layers validating data integrity, so that even if something gets corrupted, no invalid payment is made.
Banking uses audits after the fact, the number listed on you bank statement is often incorrect. EX: all the people who end up with far more in their checking accounts that they should have. And frankly, casinos are using the exact same process two systems that compare results to correct things after the fact.
That's not a good excuse. Same memory gets corrupted on machines which are processing our online money transfers and yet we don't see problems when buying things online. Why? Because there are layers upon layers validating data integrity, so that even if something gets corrupted, no invalid payment is made.