Actually, sales teams are also using this now as a replacement to Amex in certain cases. They love the fact that they do not have to wait days for their expense

Actually, sales teams are also using this now as a replacement to Amex in certain cases. They love the fact that they do not have to wait days for their expenses to load into a third party expense mgmt solution and they never worry about receipts. They are done in seconds. It's not a solution for everyone, but some use it this way as it removes the time delay and friction which some value more so than other features.