A Visa or MasterCard that has no rewards of any kind: No cashback, no “miles”, not even donations to charities as the “reward”.Anything that has any kind of rewards usually costs the businesses accepting it a higher “swipe fee” taken out of what they receive.

That’s not always true but it’s very common with most merchant accounts.

He may well be one of the “humanized” Klingons from the Augment virus, who is using prostheses to look like uninfected Klingons. Or who had less-than-successful plastic surgery for the same reason. But didn’t yet modify the human style teeth.

At this point in the timeline there’s probably a mix of original ridged Klingons, TOS-type humanized Klingons, surgically and prostheses-restored Klingons, and overreacted-gene-therapy blue/grey double-nostrilled Discovery-style Klingons running around. Probably on separate ships so they don’t have to look at or be looked at by other style Klingons who consider each other dishonored.