Sure, who can read is a clear advantage. The machine can only read data, not write. So is totally meaningless for the average consumer. Who looks for files only on a map and do not want to slide back and forth and edit ?! Only viewing and copying of data is possible.
But since this is so because, namely "card reader" can make the seller not blame. However, all other devices also does not mean yes card reader and writer ... so it's a bit sneaky.
