The thinking is subconscious: you don't know you're doing it and you "forget" how long it takes, which is why you perceive the keyboard as faster. If you bother

The thinking is subconscious: you don't know you're doing it and you "forget" how long it takes, which is why you perceive the keyboard as faster. If you bother to read the research I've linked to, it covers all of your objections. I know it's difficult to let go of subjective impressions, but the stopwatch is always right compared to our own internal sense of time.