Is it possible that the native card reader is slower than the usb-c one ? Maybe a bus bandwidth issue ?

They both have the same goal of reperability and the same shortcoming (being way more pricy than competitors with the same performances). Buy one gets roasted and not the other.

There are many windows machines that never run any game (corporate issued work laptop for example). What this says is that Linux machines are more likely to be personal machines in which you can play games.

Well that’s disappointing. I understand why this is not the headline. Not click-baity enough.