People just drill out the LED and cover the hole with epoxy and can record with no light just fine. There was just a video on the Good Work YT channel where a journalist paid some dude in a Garage in New Jersey $100 and he did it in 10 minutes.

Animated JXL worked for me on Firefox mobile after enabling that flag in about:config

I remember eBay used to let you view items that have actually sold that way you could see the actual price an item moves at. Haven’t used it in a while but if that’s still there I would show them what price the card has sold for in the recent past