Probably meant you could enter a pass code without taking your gloves off.
Having owned quite a few pairs of these, the quality and features vary widely (including, importantly, insulation against the cold and moisture -- not to mention how well the touchscreen compatibility actually works).
Yes but they are so thin, in my country it can get really cold.
I don't think they are all thin, nor should they have to be - the touchscreen doesn't have to detect your skin, the gloves have a material that is detectable by the screen.
Or smartphones with screens sensitive enough for use with gloves